3.230 \(\int \frac{(c+d x)^3}{x^5 (a+b x)} \, dx\)

Optimal. Leaf size=124 \[ -\frac{c \left (3 a^2 d^2-3 a b c d+b^2 c^2\right )}{2 a^3 x^2}+\frac{c^2 (b c-3 a d)}{3 a^2 x^3}+\frac{(b c-a d)^3}{a^4 x}+\frac{b \log (x) (b c-a d)^3}{a^5}-\frac{b (b c-a d)^3 \log (a+b x)}{a^5}-\frac{c^3}{4 a x^4} \]

[Out]

-c^3/(4*a*x^4) + (c^2*(b*c - 3*a*d))/(3*a^2*x^3) - (c*(b^2*c^2 - 3*a*b*c*d + 3*a^2*d^2))/(2*a^3*x^2) + (b*c -
a*d)^3/(a^4*x) + (b*(b*c - a*d)^3*Log[x])/a^5 - (b*(b*c - a*d)^3*Log[a + b*x])/a^5

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Rubi [A]  time = 0.073961, antiderivative size = 124, normalized size of antiderivative = 1., number of steps used = 2, number of rules used = 1, integrand size = 18, \(\frac{\text{number of rules}}{\text{integrand size}}\) = 0.056, Rules used = {88} \[ -\frac{c \left (3 a^2 d^2-3 a b c d+b^2 c^2\right )}{2 a^3 x^2}+\frac{c^2 (b c-3 a d)}{3 a^2 x^3}+\frac{(b c-a d)^3}{a^4 x}+\frac{b \log (x) (b c-a d)^3}{a^5}-\frac{b (b c-a d)^3 \log (a+b x)}{a^5}-\frac{c^3}{4 a x^4} \]

Antiderivative was successfully verified.

[In]

Int[(c + d*x)^3/(x^5*(a + b*x)),x]

[Out]

-c^3/(4*a*x^4) + (c^2*(b*c - 3*a*d))/(3*a^2*x^3) - (c*(b^2*c^2 - 3*a*b*c*d + 3*a^2*d^2))/(2*a^3*x^2) + (b*c -
a*d)^3/(a^4*x) + (b*(b*c - a*d)^3*Log[x])/a^5 - (b*(b*c - a*d)^3*Log[a + b*x])/a^5

Rule 88

Int[((a_.) + (b_.)*(x_))^(m_.)*((c_.) + (d_.)*(x_))^(n_.)*((e_.) + (f_.)*(x_))^(p_.), x_Symbol] :> Int[ExpandI
ntegrand[(a + b*x)^m*(c + d*x)^n*(e + f*x)^p, x], x] /; FreeQ[{a, b, c, d, e, f, p}, x] && IntegersQ[m, n] &&
(IntegerQ[p] || (GtQ[m, 0] && GeQ[n, -1]))

Rubi steps

\begin{align*} \int \frac{(c+d x)^3}{x^5 (a+b x)} \, dx &=\int \left (\frac{c^3}{a x^5}+\frac{c^2 (-b c+3 a d)}{a^2 x^4}+\frac{c \left (b^2 c^2-3 a b c d+3 a^2 d^2\right )}{a^3 x^3}+\frac{(-b c+a d)^3}{a^4 x^2}-\frac{b (-b c+a d)^3}{a^5 x}+\frac{b^2 (-b c+a d)^3}{a^5 (a+b x)}\right ) \, dx\\ &=-\frac{c^3}{4 a x^4}+\frac{c^2 (b c-3 a d)}{3 a^2 x^3}-\frac{c \left (b^2 c^2-3 a b c d+3 a^2 d^2\right )}{2 a^3 x^2}+\frac{(b c-a d)^3}{a^4 x}+\frac{b (b c-a d)^3 \log (x)}{a^5}-\frac{b (b c-a d)^3 \log (a+b x)}{a^5}\\ \end{align*}

Mathematica [A]  time = 0.103515, size = 137, normalized size = 1.1 \[ \frac{\frac{a \left (2 a^2 b c x \left (2 c^2+9 c d x+18 d^2 x^2\right )-3 a^3 \left (4 c^2 d x+c^3+6 c d^2 x^2+4 d^3 x^3\right )-6 a b^2 c^2 x^2 (c+6 d x)+12 b^3 c^3 x^3\right )}{x^4}+12 b \log (x) (b c-a d)^3-12 b (b c-a d)^3 \log (a+b x)}{12 a^5} \]

Antiderivative was successfully verified.

[In]

Integrate[(c + d*x)^3/(x^5*(a + b*x)),x]

[Out]

((a*(12*b^3*c^3*x^3 - 6*a*b^2*c^2*x^2*(c + 6*d*x) + 2*a^2*b*c*x*(2*c^2 + 9*c*d*x + 18*d^2*x^2) - 3*a^3*(c^3 +
4*c^2*d*x + 6*c*d^2*x^2 + 4*d^3*x^3)))/x^4 + 12*b*(b*c - a*d)^3*Log[x] - 12*b*(b*c - a*d)^3*Log[a + b*x])/(12*
a^5)

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Maple [B]  time = 0.01, size = 246, normalized size = 2. \begin{align*} -{\frac{{c}^{3}}{4\,a{x}^{4}}}-{\frac{{d}^{3}}{ax}}+3\,{\frac{bc{d}^{2}}{{a}^{2}x}}-3\,{\frac{{b}^{2}{c}^{2}d}{{a}^{3}x}}+{\frac{{b}^{3}{c}^{3}}{{a}^{4}x}}-{\frac{3\,c{d}^{2}}{2\,a{x}^{2}}}+{\frac{3\,{c}^{2}bd}{2\,{a}^{2}{x}^{2}}}-{\frac{{c}^{3}{b}^{2}}{2\,{a}^{3}{x}^{2}}}-{\frac{{c}^{2}d}{a{x}^{3}}}+{\frac{{c}^{3}b}{3\,{a}^{2}{x}^{3}}}-{\frac{b\ln \left ( x \right ){d}^{3}}{{a}^{2}}}+3\,{\frac{{b}^{2}\ln \left ( x \right ) c{d}^{2}}{{a}^{3}}}-3\,{\frac{{b}^{3}\ln \left ( x \right ){c}^{2}d}{{a}^{4}}}+{\frac{{b}^{4}{c}^{3}\ln \left ( x \right ) }{{a}^{5}}}+{\frac{b\ln \left ( bx+a \right ){d}^{3}}{{a}^{2}}}-3\,{\frac{{b}^{2}\ln \left ( bx+a \right ) c{d}^{2}}{{a}^{3}}}+3\,{\frac{{b}^{3}\ln \left ( bx+a \right ){c}^{2}d}{{a}^{4}}}-{\frac{{b}^{4}\ln \left ( bx+a \right ){c}^{3}}{{a}^{5}}} \end{align*}

Verification of antiderivative is not currently implemented for this CAS.

[In]

int((d*x+c)^3/x^5/(b*x+a),x)

[Out]

-1/4*c^3/a/x^4-1/a/x*d^3+3/a^2/x*c*b*d^2-3/a^3/x*b^2*c^2*d+1/a^4/x*b^3*c^3-3/2*c/a/x^2*d^2+3/2*c^2/a^2/x^2*b*d
-1/2*c^3/a^3/x^2*b^2-c^2/a/x^3*d+1/3*c^3/a^2/x^3*b-1/a^2*b*ln(x)*d^3+3/a^3*b^2*ln(x)*c*d^2-3/a^4*b^3*ln(x)*c^2
*d+1/a^5*b^4*ln(x)*c^3+1/a^2*b*ln(b*x+a)*d^3-3/a^3*b^2*ln(b*x+a)*c*d^2+3/a^4*b^3*ln(b*x+a)*c^2*d-1/a^5*b^4*ln(
b*x+a)*c^3

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Maxima [A]  time = 1.06793, size = 281, normalized size = 2.27 \begin{align*} -\frac{{\left (b^{4} c^{3} - 3 \, a b^{3} c^{2} d + 3 \, a^{2} b^{2} c d^{2} - a^{3} b d^{3}\right )} \log \left (b x + a\right )}{a^{5}} + \frac{{\left (b^{4} c^{3} - 3 \, a b^{3} c^{2} d + 3 \, a^{2} b^{2} c d^{2} - a^{3} b d^{3}\right )} \log \left (x\right )}{a^{5}} - \frac{3 \, a^{3} c^{3} - 12 \,{\left (b^{3} c^{3} - 3 \, a b^{2} c^{2} d + 3 \, a^{2} b c d^{2} - a^{3} d^{3}\right )} x^{3} + 6 \,{\left (a b^{2} c^{3} - 3 \, a^{2} b c^{2} d + 3 \, a^{3} c d^{2}\right )} x^{2} - 4 \,{\left (a^{2} b c^{3} - 3 \, a^{3} c^{2} d\right )} x}{12 \, a^{4} x^{4}} \end{align*}

Verification of antiderivative is not currently implemented for this CAS.

[In]

integrate((d*x+c)^3/x^5/(b*x+a),x, algorithm="maxima")

[Out]

-(b^4*c^3 - 3*a*b^3*c^2*d + 3*a^2*b^2*c*d^2 - a^3*b*d^3)*log(b*x + a)/a^5 + (b^4*c^3 - 3*a*b^3*c^2*d + 3*a^2*b
^2*c*d^2 - a^3*b*d^3)*log(x)/a^5 - 1/12*(3*a^3*c^3 - 12*(b^3*c^3 - 3*a*b^2*c^2*d + 3*a^2*b*c*d^2 - a^3*d^3)*x^
3 + 6*(a*b^2*c^3 - 3*a^2*b*c^2*d + 3*a^3*c*d^2)*x^2 - 4*(a^2*b*c^3 - 3*a^3*c^2*d)*x)/(a^4*x^4)

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Fricas [A]  time = 2.55104, size = 443, normalized size = 3.57 \begin{align*} -\frac{3 \, a^{4} c^{3} + 12 \,{\left (b^{4} c^{3} - 3 \, a b^{3} c^{2} d + 3 \, a^{2} b^{2} c d^{2} - a^{3} b d^{3}\right )} x^{4} \log \left (b x + a\right ) - 12 \,{\left (b^{4} c^{3} - 3 \, a b^{3} c^{2} d + 3 \, a^{2} b^{2} c d^{2} - a^{3} b d^{3}\right )} x^{4} \log \left (x\right ) - 12 \,{\left (a b^{3} c^{3} - 3 \, a^{2} b^{2} c^{2} d + 3 \, a^{3} b c d^{2} - a^{4} d^{3}\right )} x^{3} + 6 \,{\left (a^{2} b^{2} c^{3} - 3 \, a^{3} b c^{2} d + 3 \, a^{4} c d^{2}\right )} x^{2} - 4 \,{\left (a^{3} b c^{3} - 3 \, a^{4} c^{2} d\right )} x}{12 \, a^{5} x^{4}} \end{align*}

Verification of antiderivative is not currently implemented for this CAS.

[In]

integrate((d*x+c)^3/x^5/(b*x+a),x, algorithm="fricas")

[Out]

-1/12*(3*a^4*c^3 + 12*(b^4*c^3 - 3*a*b^3*c^2*d + 3*a^2*b^2*c*d^2 - a^3*b*d^3)*x^4*log(b*x + a) - 12*(b^4*c^3 -
3*a*b^3*c^2*d + 3*a^2*b^2*c*d^2 - a^3*b*d^3)*x^4*log(x) - 12*(a*b^3*c^3 - 3*a^2*b^2*c^2*d + 3*a^3*b*c*d^2 - a
^4*d^3)*x^3 + 6*(a^2*b^2*c^3 - 3*a^3*b*c^2*d + 3*a^4*c*d^2)*x^2 - 4*(a^3*b*c^3 - 3*a^4*c^2*d)*x)/(a^5*x^4)

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Sympy [B]  time = 1.98563, size = 355, normalized size = 2.86 \begin{align*} - \frac{3 a^{3} c^{3} + x^{3} \left (12 a^{3} d^{3} - 36 a^{2} b c d^{2} + 36 a b^{2} c^{2} d - 12 b^{3} c^{3}\right ) + x^{2} \left (18 a^{3} c d^{2} - 18 a^{2} b c^{2} d + 6 a b^{2} c^{3}\right ) + x \left (12 a^{3} c^{2} d - 4 a^{2} b c^{3}\right )}{12 a^{4} x^{4}} - \frac{b \left (a d - b c\right )^{3} \log{\left (x + \frac{a^{4} b d^{3} - 3 a^{3} b^{2} c d^{2} + 3 a^{2} b^{3} c^{2} d - a b^{4} c^{3} - a b \left (a d - b c\right )^{3}}{2 a^{3} b^{2} d^{3} - 6 a^{2} b^{3} c d^{2} + 6 a b^{4} c^{2} d - 2 b^{5} c^{3}} \right )}}{a^{5}} + \frac{b \left (a d - b c\right )^{3} \log{\left (x + \frac{a^{4} b d^{3} - 3 a^{3} b^{2} c d^{2} + 3 a^{2} b^{3} c^{2} d - a b^{4} c^{3} + a b \left (a d - b c\right )^{3}}{2 a^{3} b^{2} d^{3} - 6 a^{2} b^{3} c d^{2} + 6 a b^{4} c^{2} d - 2 b^{5} c^{3}} \right )}}{a^{5}} \end{align*}

Verification of antiderivative is not currently implemented for this CAS.

[In]

integrate((d*x+c)**3/x**5/(b*x+a),x)

[Out]

-(3*a**3*c**3 + x**3*(12*a**3*d**3 - 36*a**2*b*c*d**2 + 36*a*b**2*c**2*d - 12*b**3*c**3) + x**2*(18*a**3*c*d**
2 - 18*a**2*b*c**2*d + 6*a*b**2*c**3) + x*(12*a**3*c**2*d - 4*a**2*b*c**3))/(12*a**4*x**4) - b*(a*d - b*c)**3*
log(x + (a**4*b*d**3 - 3*a**3*b**2*c*d**2 + 3*a**2*b**3*c**2*d - a*b**4*c**3 - a*b*(a*d - b*c)**3)/(2*a**3*b**
2*d**3 - 6*a**2*b**3*c*d**2 + 6*a*b**4*c**2*d - 2*b**5*c**3))/a**5 + b*(a*d - b*c)**3*log(x + (a**4*b*d**3 - 3
*a**3*b**2*c*d**2 + 3*a**2*b**3*c**2*d - a*b**4*c**3 + a*b*(a*d - b*c)**3)/(2*a**3*b**2*d**3 - 6*a**2*b**3*c*d
**2 + 6*a*b**4*c**2*d - 2*b**5*c**3))/a**5

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Giac [A]  time = 1.20162, size = 297, normalized size = 2.4 \begin{align*} \frac{{\left (b^{4} c^{3} - 3 \, a b^{3} c^{2} d + 3 \, a^{2} b^{2} c d^{2} - a^{3} b d^{3}\right )} \log \left ({\left | x \right |}\right )}{a^{5}} - \frac{{\left (b^{5} c^{3} - 3 \, a b^{4} c^{2} d + 3 \, a^{2} b^{3} c d^{2} - a^{3} b^{2} d^{3}\right )} \log \left ({\left | b x + a \right |}\right )}{a^{5} b} - \frac{3 \, a^{4} c^{3} - 12 \,{\left (a b^{3} c^{3} - 3 \, a^{2} b^{2} c^{2} d + 3 \, a^{3} b c d^{2} - a^{4} d^{3}\right )} x^{3} + 6 \,{\left (a^{2} b^{2} c^{3} - 3 \, a^{3} b c^{2} d + 3 \, a^{4} c d^{2}\right )} x^{2} - 4 \,{\left (a^{3} b c^{3} - 3 \, a^{4} c^{2} d\right )} x}{12 \, a^{5} x^{4}} \end{align*}

Verification of antiderivative is not currently implemented for this CAS.

[In]

integrate((d*x+c)^3/x^5/(b*x+a),x, algorithm="giac")

[Out]

(b^4*c^3 - 3*a*b^3*c^2*d + 3*a^2*b^2*c*d^2 - a^3*b*d^3)*log(abs(x))/a^5 - (b^5*c^3 - 3*a*b^4*c^2*d + 3*a^2*b^3
*c*d^2 - a^3*b^2*d^3)*log(abs(b*x + a))/(a^5*b) - 1/12*(3*a^4*c^3 - 12*(a*b^3*c^3 - 3*a^2*b^2*c^2*d + 3*a^3*b*
c*d^2 - a^4*d^3)*x^3 + 6*(a^2*b^2*c^3 - 3*a^3*b*c^2*d + 3*a^4*c*d^2)*x^2 - 4*(a^3*b*c^3 - 3*a^4*c^2*d)*x)/(a^5
*x^4)