3.118 \(\int (c+d x)^3 \text{Erfc}(a+b x) \, dx\)

Optimal. Leaf size=292 \[ -\frac{d^2 e^{-(a+b x)^2} (a+b x)^2 (b c-a d)}{\sqrt{\pi } b^4}-\frac{d^2 e^{-(a+b x)^2} (b c-a d)}{\sqrt{\pi } b^4}+\frac{(b c-a d)^4 \text{Erf}(a+b x)}{4 b^4 d}+\frac{3 d (b c-a d)^2 \text{Erf}(a+b x)}{4 b^4}-\frac{e^{-(a+b x)^2} (b c-a d)^3}{\sqrt{\pi } b^4}-\frac{3 d e^{-(a+b x)^2} (a+b x) (b c-a d)^2}{2 \sqrt{\pi } b^4}+\frac{3 d^3 \text{Erf}(a+b x)}{16 b^4}-\frac{d^3 e^{-(a+b x)^2} (a+b x)^3}{4 \sqrt{\pi } b^4}-\frac{3 d^3 e^{-(a+b x)^2} (a+b x)}{8 \sqrt{\pi } b^4}+\frac{(c+d x)^4 \text{Erfc}(a+b x)}{4 d} \]

[Out]

-((d^2*(b*c - a*d))/(b^4*E^(a + b*x)^2*Sqrt[Pi])) - (b*c - a*d)^3/(b^4*E^(a + b*x)^2*Sqrt[Pi]) - (3*d^3*(a + b
*x))/(8*b^4*E^(a + b*x)^2*Sqrt[Pi]) - (3*d*(b*c - a*d)^2*(a + b*x))/(2*b^4*E^(a + b*x)^2*Sqrt[Pi]) - (d^2*(b*c
- a*d)*(a + b*x)^2)/(b^4*E^(a + b*x)^2*Sqrt[Pi]) - (d^3*(a + b*x)^3)/(4*b^4*E^(a + b*x)^2*Sqrt[Pi]) + (3*d^3*
Erf[a + b*x])/(16*b^4) + (3*d*(b*c - a*d)^2*Erf[a + b*x])/(4*b^4) + ((b*c - a*d)^4*Erf[a + b*x])/(4*b^4*d) + (
(c + d*x)^4*Erfc[a + b*x])/(4*d)

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Rubi [A]  time = 0.272314, antiderivative size = 292, normalized size of antiderivative = 1., number of steps used = 12, number of rules used = 5, integrand size = 14, \(\frac{\text{number of rules}}{\text{integrand size}}\) = 0.357, Rules used = {6362, 2226, 2205, 2209, 2212} \[ -\frac{d^2 e^{-(a+b x)^2} (a+b x)^2 (b c-a d)}{\sqrt{\pi } b^4}-\frac{d^2 e^{-(a+b x)^2} (b c-a d)}{\sqrt{\pi } b^4}+\frac{(b c-a d)^4 \text{Erf}(a+b x)}{4 b^4 d}+\frac{3 d (b c-a d)^2 \text{Erf}(a+b x)}{4 b^4}-\frac{e^{-(a+b x)^2} (b c-a d)^3}{\sqrt{\pi } b^4}-\frac{3 d e^{-(a+b x)^2} (a+b x) (b c-a d)^2}{2 \sqrt{\pi } b^4}+\frac{3 d^3 \text{Erf}(a+b x)}{16 b^4}-\frac{d^3 e^{-(a+b x)^2} (a+b x)^3}{4 \sqrt{\pi } b^4}-\frac{3 d^3 e^{-(a+b x)^2} (a+b x)}{8 \sqrt{\pi } b^4}+\frac{(c+d x)^4 \text{Erfc}(a+b x)}{4 d} \]

Antiderivative was successfully verified.

[In]

Int[(c + d*x)^3*Erfc[a + b*x],x]

[Out]

-((d^2*(b*c - a*d))/(b^4*E^(a + b*x)^2*Sqrt[Pi])) - (b*c - a*d)^3/(b^4*E^(a + b*x)^2*Sqrt[Pi]) - (3*d^3*(a + b
*x))/(8*b^4*E^(a + b*x)^2*Sqrt[Pi]) - (3*d*(b*c - a*d)^2*(a + b*x))/(2*b^4*E^(a + b*x)^2*Sqrt[Pi]) - (d^2*(b*c
- a*d)*(a + b*x)^2)/(b^4*E^(a + b*x)^2*Sqrt[Pi]) - (d^3*(a + b*x)^3)/(4*b^4*E^(a + b*x)^2*Sqrt[Pi]) + (3*d^3*
Erf[a + b*x])/(16*b^4) + (3*d*(b*c - a*d)^2*Erf[a + b*x])/(4*b^4) + ((b*c - a*d)^4*Erf[a + b*x])/(4*b^4*d) + (
(c + d*x)^4*Erfc[a + b*x])/(4*d)

Rule 6362

Int[Erfc[(a_.) + (b_.)*(x_)]*((c_.) + (d_.)*(x_))^(m_.), x_Symbol] :> Simp[((c + d*x)^(m + 1)*Erfc[a + b*x])/(
d*(m + 1)), x] + Dist[(2*b)/(Sqrt[Pi]*d*(m + 1)), Int[(c + d*x)^(m + 1)/E^(a + b*x)^2, x], x] /; FreeQ[{a, b,
c, d, m}, x] && NeQ[m, -1]

Rule 2226

Int[(F_)^((a_.) + (b_.)*((c_.) + (d_.)*(x_))^(n_))*(u_), x_Symbol] :> Int[ExpandLinearProduct[F^(a + b*(c + d*
x)^n), u, c, d, x], x] /; FreeQ[{F, a, b, c, d, n}, x] && PolynomialQ[u, x]

Rule 2205

Int[(F_)^((a_.) + (b_.)*((c_.) + (d_.)*(x_))^2), x_Symbol] :> Simp[(F^a*Sqrt[Pi]*Erf[(c + d*x)*Rt[-(b*Log[F]),
2]])/(2*d*Rt[-(b*Log[F]), 2]), x] /; FreeQ[{F, a, b, c, d}, x] && NegQ[b]

Rule 2209

Int[(F_)^((a_.) + (b_.)*((c_.) + (d_.)*(x_))^(n_))*((e_.) + (f_.)*(x_))^(m_.), x_Symbol] :> Simp[((e + f*x)^n*
F^(a + b*(c + d*x)^n))/(b*f*n*(c + d*x)^n*Log[F]), x] /; FreeQ[{F, a, b, c, d, e, f, n}, x] && EqQ[m, n - 1] &
& EqQ[d*e - c*f, 0]

Rule 2212

Int[(F_)^((a_.) + (b_.)*((c_.) + (d_.)*(x_))^(n_))*((c_.) + (d_.)*(x_))^(m_.), x_Symbol] :> Simp[((c + d*x)^(m
- n + 1)*F^(a + b*(c + d*x)^n))/(b*d*n*Log[F]), x] - Dist[(m - n + 1)/(b*n*Log[F]), Int[(c + d*x)^(m - n)*F^(
a + b*(c + d*x)^n), x], x] /; FreeQ[{F, a, b, c, d}, x] && IntegerQ[(2*(m + 1))/n] && LtQ[0, (m + 1)/n, 5] &&
IntegerQ[n] && (LtQ[0, n, m + 1] || LtQ[m, n, 0])

Rubi steps

\begin{align*} \int (c+d x)^3 \text{erfc}(a+b x) \, dx &=\frac{(c+d x)^4 \text{erfc}(a+b x)}{4 d}+\frac{b \int e^{-(a+b x)^2} (c+d x)^4 \, dx}{2 d \sqrt{\pi }}\\ &=\frac{(c+d x)^4 \text{erfc}(a+b x)}{4 d}+\frac{b \int \left (\frac{(b c-a d)^4 e^{-(a+b x)^2}}{b^4}+\frac{4 d (b c-a d)^3 e^{-(a+b x)^2} (a+b x)}{b^4}+\frac{6 d^2 (b c-a d)^2 e^{-(a+b x)^2} (a+b x)^2}{b^4}+\frac{4 d^3 (b c-a d) e^{-(a+b x)^2} (a+b x)^3}{b^4}+\frac{d^4 e^{-(a+b x)^2} (a+b x)^4}{b^4}\right ) \, dx}{2 d \sqrt{\pi }}\\ &=\frac{(c+d x)^4 \text{erfc}(a+b x)}{4 d}+\frac{d^3 \int e^{-(a+b x)^2} (a+b x)^4 \, dx}{2 b^3 \sqrt{\pi }}+\frac{\left (2 d^2 (b c-a d)\right ) \int e^{-(a+b x)^2} (a+b x)^3 \, dx}{b^3 \sqrt{\pi }}+\frac{\left (3 d (b c-a d)^2\right ) \int e^{-(a+b x)^2} (a+b x)^2 \, dx}{b^3 \sqrt{\pi }}+\frac{\left (2 (b c-a d)^3\right ) \int e^{-(a+b x)^2} (a+b x) \, dx}{b^3 \sqrt{\pi }}+\frac{(b c-a d)^4 \int e^{-(a+b x)^2} \, dx}{2 b^3 d \sqrt{\pi }}\\ &=-\frac{(b c-a d)^3 e^{-(a+b x)^2}}{b^4 \sqrt{\pi }}-\frac{3 d (b c-a d)^2 e^{-(a+b x)^2} (a+b x)}{2 b^4 \sqrt{\pi }}-\frac{d^2 (b c-a d) e^{-(a+b x)^2} (a+b x)^2}{b^4 \sqrt{\pi }}-\frac{d^3 e^{-(a+b x)^2} (a+b x)^3}{4 b^4 \sqrt{\pi }}+\frac{(b c-a d)^4 \text{erf}(a+b x)}{4 b^4 d}+\frac{(c+d x)^4 \text{erfc}(a+b x)}{4 d}+\frac{\left (3 d^3\right ) \int e^{-(a+b x)^2} (a+b x)^2 \, dx}{4 b^3 \sqrt{\pi }}+\frac{\left (2 d^2 (b c-a d)\right ) \int e^{-(a+b x)^2} (a+b x) \, dx}{b^3 \sqrt{\pi }}+\frac{\left (3 d (b c-a d)^2\right ) \int e^{-(a+b x)^2} \, dx}{2 b^3 \sqrt{\pi }}\\ &=-\frac{d^2 (b c-a d) e^{-(a+b x)^2}}{b^4 \sqrt{\pi }}-\frac{(b c-a d)^3 e^{-(a+b x)^2}}{b^4 \sqrt{\pi }}-\frac{3 d^3 e^{-(a+b x)^2} (a+b x)}{8 b^4 \sqrt{\pi }}-\frac{3 d (b c-a d)^2 e^{-(a+b x)^2} (a+b x)}{2 b^4 \sqrt{\pi }}-\frac{d^2 (b c-a d) e^{-(a+b x)^2} (a+b x)^2}{b^4 \sqrt{\pi }}-\frac{d^3 e^{-(a+b x)^2} (a+b x)^3}{4 b^4 \sqrt{\pi }}+\frac{3 d (b c-a d)^2 \text{erf}(a+b x)}{4 b^4}+\frac{(b c-a d)^4 \text{erf}(a+b x)}{4 b^4 d}+\frac{(c+d x)^4 \text{erfc}(a+b x)}{4 d}+\frac{\left (3 d^3\right ) \int e^{-(a+b x)^2} \, dx}{8 b^3 \sqrt{\pi }}\\ &=-\frac{d^2 (b c-a d) e^{-(a+b x)^2}}{b^4 \sqrt{\pi }}-\frac{(b c-a d)^3 e^{-(a+b x)^2}}{b^4 \sqrt{\pi }}-\frac{3 d^3 e^{-(a+b x)^2} (a+b x)}{8 b^4 \sqrt{\pi }}-\frac{3 d (b c-a d)^2 e^{-(a+b x)^2} (a+b x)}{2 b^4 \sqrt{\pi }}-\frac{d^2 (b c-a d) e^{-(a+b x)^2} (a+b x)^2}{b^4 \sqrt{\pi }}-\frac{d^3 e^{-(a+b x)^2} (a+b x)^3}{4 b^4 \sqrt{\pi }}+\frac{3 d^3 \text{erf}(a+b x)}{16 b^4}+\frac{3 d (b c-a d)^2 \text{erf}(a+b x)}{4 b^4}+\frac{(b c-a d)^4 \text{erf}(a+b x)}{4 b^4 d}+\frac{(c+d x)^4 \text{erfc}(a+b x)}{4 d}\\ \end{align*}

Mathematica [A]  time = 0.359714, size = 268, normalized size = 0.92 \[ \frac{e^{-(a+b x)^2} \left (\sqrt{\pi } e^{(a+b x)^2} \left (12 a^2 \left (2 b^2 c^2 d+d^3\right )-16 a^3 b c d^2+4 a^4 d^3-8 a \left (2 b^3 c^3+3 b c d^2\right )+3 \left (4 b^2 c^2 d+d^3\right )\right ) \text{Erf}(a+b x)-2 b d^2 \left (8 \left (a^2+1\right ) c+\left (2 a^2+3\right ) d x\right )+2 a \left (2 a^2+5\right ) d^3+4 \sqrt{\pi } b^4 x e^{(a+b x)^2} \left (6 c^2 d x+4 c^3+4 c d^2 x^2+d^3 x^3\right ) \text{Erfc}(a+b x)+4 a b^2 d \left (6 c^2+4 c d x+d^2 x^2\right )-4 b^3 \left (6 c^2 d x+4 c^3+4 c d^2 x^2+d^3 x^3\right )\right )}{16 \sqrt{\pi } b^4} \]

Antiderivative was successfully verified.

[In]

Integrate[(c + d*x)^3*Erfc[a + b*x],x]

[Out]

(2*a*(5 + 2*a^2)*d^3 - 2*b*d^2*(8*(1 + a^2)*c + (3 + 2*a^2)*d*x) + 4*a*b^2*d*(6*c^2 + 4*c*d*x + d^2*x^2) - 4*b
^3*(4*c^3 + 6*c^2*d*x + 4*c*d^2*x^2 + d^3*x^3) + (-16*a^3*b*c*d^2 + 4*a^4*d^3 - 8*a*(2*b^3*c^3 + 3*b*c*d^2) +
12*a^2*(2*b^2*c^2*d + d^3) + 3*(4*b^2*c^2*d + d^3))*E^(a + b*x)^2*Sqrt[Pi]*Erf[a + b*x] + 4*b^4*E^(a + b*x)^2*
Sqrt[Pi]*x*(4*c^3 + 6*c^2*d*x + 4*c*d^2*x^2 + d^3*x^3)*Erfc[a + b*x])/(16*b^4*E^(a + b*x)^2*Sqrt[Pi])

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Maple [B]  time = 0.046, size = 729, normalized size = 2.5 \begin{align*} \text{result too large to display} \end{align*}

Verification of antiderivative is not currently implemented for this CAS.

[In]

int((d*x+c)^3*erfc(b*x+a),x)

[Out]

1/b*(1/4/b^3*d^3*erfc(b*x+a)*(b*x+a)^4-1/b^3*d^3*erfc(b*x+a)*(b*x+a)^3*a+1/b^2*d^2*erfc(b*x+a)*(b*x+a)^3*c+3/2
/b^3*d^3*erfc(b*x+a)*(b*x+a)^2*a^2-3/b^2*d^2*erfc(b*x+a)*(b*x+a)^2*a*c+3/2/b*d*erfc(b*x+a)*(b*x+a)^2*c^2-1/b^3
*d^3*erfc(b*x+a)*(b*x+a)*a^3+3/b^2*d^2*erfc(b*x+a)*(b*x+a)*a^2*c-3/b*d*erfc(b*x+a)*(b*x+a)*a*c^2+erfc(b*x+a)*(
b*x+a)*c^3+1/4/b^3*d^3*erfc(b*x+a)*a^4-1/b^2*d^2*erfc(b*x+a)*a^3*c+3/2/b*d*erfc(b*x+a)*a^2*c^2-erfc(b*x+a)*a*c
^3+1/4*b/d*erfc(b*x+a)*c^4+1/2/Pi^(1/2)/b^3/d*(d^4*(-1/2*(b*x+a)^3/exp((b*x+a)^2)-3/4*(b*x+a)/exp((b*x+a)^2)+3
/8*Pi^(1/2)*erf(b*x+a))+1/2*a^4*d^4*Pi^(1/2)*erf(b*x+a)+1/2*b^4*c^4*Pi^(1/2)*erf(b*x+a)+2*a^3*d^4/exp((b*x+a)^
2)+6*a^2*d^4*(-1/2*(b*x+a)/exp((b*x+a)^2)+1/4*Pi^(1/2)*erf(b*x+a))-4*a*d^4*(-1/2*(b*x+a)^2/exp((b*x+a)^2)-1/2/
exp((b*x+a)^2))-2*b^3*c^3*d/exp((b*x+a)^2)+6*b^2*c^2*d^2*(-1/2*(b*x+a)/exp((b*x+a)^2)+1/4*Pi^(1/2)*erf(b*x+a))
+4*b*c*d^3*(-1/2*(b*x+a)^2/exp((b*x+a)^2)-1/2/exp((b*x+a)^2))-2*a*b^3*c^3*d*Pi^(1/2)*erf(b*x+a)+3*a^2*b^2*c^2*
d^2*Pi^(1/2)*erf(b*x+a)-2*a^3*b*c*d^3*Pi^(1/2)*erf(b*x+a)+6*a*b^2*c^2*d^2/exp((b*x+a)^2)-6*a^2*b*c*d^3/exp((b*
x+a)^2)-12*a*b*c*d^3*(-1/2*(b*x+a)/exp((b*x+a)^2)+1/4*Pi^(1/2)*erf(b*x+a))))

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Maxima [F]  time = 0., size = 0, normalized size = 0. \begin{align*} \int{\left (d x + c\right )}^{3} \operatorname{erfc}\left (b x + a\right )\,{d x} \end{align*}

Verification of antiderivative is not currently implemented for this CAS.

[In]

integrate((d*x+c)^3*erfc(b*x+a),x, algorithm="maxima")

[Out]

integrate((d*x + c)^3*erfc(b*x + a), x)

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Fricas [A]  time = 2.09864, size = 689, normalized size = 2.36 \begin{align*} \frac{4 \, \pi b^{4} d^{3} x^{4} + 16 \, \pi b^{4} c d^{2} x^{3} + 24 \, \pi b^{4} c^{2} d x^{2} + 16 \, \pi b^{4} c^{3} x - 2 \, \sqrt{\pi }{\left (2 \, b^{3} d^{3} x^{3} + 8 \, b^{3} c^{3} - 12 \, a b^{2} c^{2} d + 8 \,{\left (a^{2} + 1\right )} b c d^{2} -{\left (2 \, a^{3} + 5 \, a\right )} d^{3} + 2 \,{\left (4 \, b^{3} c d^{2} - a b^{2} d^{3}\right )} x^{2} +{\left (12 \, b^{3} c^{2} d - 8 \, a b^{2} c d^{2} +{\left (2 \, a^{2} + 3\right )} b d^{3}\right )} x\right )} e^{\left (-b^{2} x^{2} - 2 \, a b x - a^{2}\right )} -{\left (4 \, \pi b^{4} d^{3} x^{4} + 16 \, \pi b^{4} c d^{2} x^{3} + 24 \, \pi b^{4} c^{2} d x^{2} + 16 \, \pi b^{4} c^{3} x + \pi{\left (16 \, a b^{3} c^{3} - 12 \,{\left (2 \, a^{2} + 1\right )} b^{2} c^{2} d + 8 \,{\left (2 \, a^{3} + 3 \, a\right )} b c d^{2} -{\left (4 \, a^{4} + 12 \, a^{2} + 3\right )} d^{3}\right )}\right )} \operatorname{erf}\left (b x + a\right )}{16 \, \pi b^{4}} \end{align*}

Verification of antiderivative is not currently implemented for this CAS.

[In]

integrate((d*x+c)^3*erfc(b*x+a),x, algorithm="fricas")

[Out]

1/16*(4*pi*b^4*d^3*x^4 + 16*pi*b^4*c*d^2*x^3 + 24*pi*b^4*c^2*d*x^2 + 16*pi*b^4*c^3*x - 2*sqrt(pi)*(2*b^3*d^3*x
^3 + 8*b^3*c^3 - 12*a*b^2*c^2*d + 8*(a^2 + 1)*b*c*d^2 - (2*a^3 + 5*a)*d^3 + 2*(4*b^3*c*d^2 - a*b^2*d^3)*x^2 +
(12*b^3*c^2*d - 8*a*b^2*c*d^2 + (2*a^2 + 3)*b*d^3)*x)*e^(-b^2*x^2 - 2*a*b*x - a^2) - (4*pi*b^4*d^3*x^4 + 16*pi
*b^4*c*d^2*x^3 + 24*pi*b^4*c^2*d*x^2 + 16*pi*b^4*c^3*x + pi*(16*a*b^3*c^3 - 12*(2*a^2 + 1)*b^2*c^2*d + 8*(2*a^
3 + 3*a)*b*c*d^2 - (4*a^4 + 12*a^2 + 3)*d^3))*erf(b*x + a))/(pi*b^4)

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Sympy [A]  time = 22.4494, size = 746, normalized size = 2.55 \begin{align*} \text{result too large to display} \end{align*}

Verification of antiderivative is not currently implemented for this CAS.

[In]

integrate((d*x+c)**3*erfc(b*x+a),x)

[Out]

Piecewise((-a**4*d**3*erfc(a + b*x)/(4*b**4) + a**3*c*d**2*erfc(a + b*x)/b**3 + a**3*d**3*exp(-a**2)*exp(-b**2
*x**2)*exp(-2*a*b*x)/(4*sqrt(pi)*b**4) - 3*a**2*c**2*d*erfc(a + b*x)/(2*b**2) - a**2*c*d**2*exp(-a**2)*exp(-b*
*2*x**2)*exp(-2*a*b*x)/(sqrt(pi)*b**3) - a**2*d**3*x*exp(-a**2)*exp(-b**2*x**2)*exp(-2*a*b*x)/(4*sqrt(pi)*b**3
) - 3*a**2*d**3*erfc(a + b*x)/(4*b**4) + a*c**3*erfc(a + b*x)/b + 3*a*c**2*d*exp(-a**2)*exp(-b**2*x**2)*exp(-2
*a*b*x)/(2*sqrt(pi)*b**2) + a*c*d**2*x*exp(-a**2)*exp(-b**2*x**2)*exp(-2*a*b*x)/(sqrt(pi)*b**2) + a*d**3*x**2*
exp(-a**2)*exp(-b**2*x**2)*exp(-2*a*b*x)/(4*sqrt(pi)*b**2) + 3*a*c*d**2*erfc(a + b*x)/(2*b**3) + 5*a*d**3*exp(
-a**2)*exp(-b**2*x**2)*exp(-2*a*b*x)/(8*sqrt(pi)*b**4) + c**3*x*erfc(a + b*x) + 3*c**2*d*x**2*erfc(a + b*x)/2
+ c*d**2*x**3*erfc(a + b*x) + d**3*x**4*erfc(a + b*x)/4 - c**3*exp(-a**2)*exp(-b**2*x**2)*exp(-2*a*b*x)/(sqrt(
pi)*b) - 3*c**2*d*x*exp(-a**2)*exp(-b**2*x**2)*exp(-2*a*b*x)/(2*sqrt(pi)*b) - c*d**2*x**2*exp(-a**2)*exp(-b**2
*x**2)*exp(-2*a*b*x)/(sqrt(pi)*b) - d**3*x**3*exp(-a**2)*exp(-b**2*x**2)*exp(-2*a*b*x)/(4*sqrt(pi)*b) - 3*c**2
*d*erfc(a + b*x)/(4*b**2) - c*d**2*exp(-a**2)*exp(-b**2*x**2)*exp(-2*a*b*x)/(sqrt(pi)*b**3) - 3*d**3*x*exp(-a*
*2)*exp(-b**2*x**2)*exp(-2*a*b*x)/(8*sqrt(pi)*b**3) - 3*d**3*erfc(a + b*x)/(16*b**4), Ne(b, 0)), ((c**3*x + 3*
c**2*d*x**2/2 + c*d**2*x**3 + d**3*x**4/4)*erfc(a), True))

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Giac [A]  time = 1.50791, size = 587, normalized size = 2.01 \begin{align*} \frac{1}{4} \, d^{3} x^{4} + c d^{2} x^{3} + \frac{3}{2} \, c^{2} d x^{2} -{\left (x \operatorname{erf}\left (b x + a\right ) - \frac{\frac{\sqrt{\pi } a \operatorname{erf}\left (-b{\left (x + \frac{a}{b}\right )}\right )}{b} - \frac{e^{\left (-b^{2} x^{2} - 2 \, a b x - a^{2}\right )}}{b}}{\sqrt{\pi }}\right )} c^{3} - \frac{3}{4} \,{\left (2 \, x^{2} \operatorname{erf}\left (b x + a\right ) + \frac{\frac{\sqrt{\pi }{\left (2 \, a^{2} + 1\right )} \operatorname{erf}\left (-b{\left (x + \frac{a}{b}\right )}\right )}{b} + \frac{2 \,{\left (b{\left (x + \frac{a}{b}\right )} - 2 \, a\right )} e^{\left (-b^{2} x^{2} - 2 \, a b x - a^{2}\right )}}{b}}{\sqrt{\pi } b}\right )} c^{2} d - \frac{1}{2} \,{\left (2 \, x^{3} \operatorname{erf}\left (b x + a\right ) - \frac{\frac{\sqrt{\pi }{\left (2 \, a^{3} + 3 \, a\right )} \operatorname{erf}\left (-b{\left (x + \frac{a}{b}\right )}\right )}{b} - \frac{2 \,{\left (b^{2}{\left (x + \frac{a}{b}\right )}^{2} - 3 \, a b{\left (x + \frac{a}{b}\right )} + 3 \, a^{2} + 1\right )} e^{\left (-b^{2} x^{2} - 2 \, a b x - a^{2}\right )}}{b}}{\sqrt{\pi } b^{2}}\right )} c d^{2} - \frac{1}{16} \,{\left (4 \, x^{4} \operatorname{erf}\left (b x + a\right ) + \frac{\frac{\sqrt{\pi }{\left (4 \, a^{4} + 12 \, a^{2} + 3\right )} \operatorname{erf}\left (-b{\left (x + \frac{a}{b}\right )}\right )}{b} + \frac{2 \,{\left (2 \, b^{3}{\left (x + \frac{a}{b}\right )}^{3} - 8 \, a b^{2}{\left (x + \frac{a}{b}\right )}^{2} + 12 \, a^{2} b{\left (x + \frac{a}{b}\right )} - 8 \, a^{3} + 3 \, b{\left (x + \frac{a}{b}\right )} - 8 \, a\right )} e^{\left (-b^{2} x^{2} - 2 \, a b x - a^{2}\right )}}{b}}{\sqrt{\pi } b^{3}}\right )} d^{3} + c^{3} x \end{align*}

Verification of antiderivative is not currently implemented for this CAS.

[In]

integrate((d*x+c)^3*erfc(b*x+a),x, algorithm="giac")

[Out]

1/4*d^3*x^4 + c*d^2*x^3 + 3/2*c^2*d*x^2 - (x*erf(b*x + a) - (sqrt(pi)*a*erf(-b*(x + a/b))/b - e^(-b^2*x^2 - 2*
a*b*x - a^2)/b)/sqrt(pi))*c^3 - 3/4*(2*x^2*erf(b*x + a) + (sqrt(pi)*(2*a^2 + 1)*erf(-b*(x + a/b))/b + 2*(b*(x
+ a/b) - 2*a)*e^(-b^2*x^2 - 2*a*b*x - a^2)/b)/(sqrt(pi)*b))*c^2*d - 1/2*(2*x^3*erf(b*x + a) - (sqrt(pi)*(2*a^3
+ 3*a)*erf(-b*(x + a/b))/b - 2*(b^2*(x + a/b)^2 - 3*a*b*(x + a/b) + 3*a^2 + 1)*e^(-b^2*x^2 - 2*a*b*x - a^2)/b
)/(sqrt(pi)*b^2))*c*d^2 - 1/16*(4*x^4*erf(b*x + a) + (sqrt(pi)*(4*a^4 + 12*a^2 + 3)*erf(-b*(x + a/b))/b + 2*(2
*b^3*(x + a/b)^3 - 8*a*b^2*(x + a/b)^2 + 12*a^2*b*(x + a/b) - 8*a^3 + 3*b*(x + a/b) - 8*a)*e^(-b^2*x^2 - 2*a*b
*x - a^2)/b)/(sqrt(pi)*b^3))*d^3 + c^3*x