3.1865 \(\int \frac{(1-2 x)^{3/2} (3+5 x)}{(2+3 x)^2} \, dx\)

Optimal. Leaf size=76 \[ \frac{(1-2 x)^{5/2}}{21 (3 x+2)}+\frac{76}{189} (1-2 x)^{3/2}+\frac{76}{27} \sqrt{1-2 x}-\frac{76}{27} \sqrt{\frac{7}{3}} \tanh ^{-1}\left (\sqrt{\frac{3}{7}} \sqrt{1-2 x}\right ) \]

[Out]

(76*Sqrt[1 - 2*x])/27 + (76*(1 - 2*x)^(3/2))/189 + (1 - 2*x)^(5/2)/(21*(2 + 3*x)) - (76*Sqrt[7/3]*ArcTanh[Sqrt
[3/7]*Sqrt[1 - 2*x]])/27

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Rubi [A]  time = 0.018972, antiderivative size = 76, normalized size of antiderivative = 1., number of steps used = 5, number of rules used = 4, integrand size = 22, \(\frac{\text{number of rules}}{\text{integrand size}}\) = 0.182, Rules used = {78, 50, 63, 206} \[ \frac{(1-2 x)^{5/2}}{21 (3 x+2)}+\frac{76}{189} (1-2 x)^{3/2}+\frac{76}{27} \sqrt{1-2 x}-\frac{76}{27} \sqrt{\frac{7}{3}} \tanh ^{-1}\left (\sqrt{\frac{3}{7}} \sqrt{1-2 x}\right ) \]

Antiderivative was successfully verified.

[In]

Int[((1 - 2*x)^(3/2)*(3 + 5*x))/(2 + 3*x)^2,x]

[Out]

(76*Sqrt[1 - 2*x])/27 + (76*(1 - 2*x)^(3/2))/189 + (1 - 2*x)^(5/2)/(21*(2 + 3*x)) - (76*Sqrt[7/3]*ArcTanh[Sqrt
[3/7]*Sqrt[1 - 2*x]])/27

Rule 78

Int[((a_.) + (b_.)*(x_))*((c_.) + (d_.)*(x_))^(n_.)*((e_.) + (f_.)*(x_))^(p_.), x_Symbol] :> -Simp[((b*e - a*f
)*(c + d*x)^(n + 1)*(e + f*x)^(p + 1))/(f*(p + 1)*(c*f - d*e)), x] - Dist[(a*d*f*(n + p + 2) - b*(d*e*(n + 1)
+ c*f*(p + 1)))/(f*(p + 1)*(c*f - d*e)), Int[(c + d*x)^n*(e + f*x)^(p + 1), x], x] /; FreeQ[{a, b, c, d, e, f,
n}, x] && LtQ[p, -1] && ( !LtQ[n, -1] || IntegerQ[p] ||  !(IntegerQ[n] ||  !(EqQ[e, 0] ||  !(EqQ[c, 0] || LtQ
[p, n]))))

Rule 50

Int[((a_.) + (b_.)*(x_))^(m_)*((c_.) + (d_.)*(x_))^(n_), x_Symbol] :> Simp[((a + b*x)^(m + 1)*(c + d*x)^n)/(b*
(m + n + 1)), x] + Dist[(n*(b*c - a*d))/(b*(m + n + 1)), Int[(a + b*x)^m*(c + d*x)^(n - 1), x], x] /; FreeQ[{a
, b, c, d}, x] && NeQ[b*c - a*d, 0] && GtQ[n, 0] && NeQ[m + n + 1, 0] &&  !(IGtQ[m, 0] && ( !IntegerQ[n] || (G
tQ[m, 0] && LtQ[m - n, 0]))) &&  !ILtQ[m + n + 2, 0] && IntLinearQ[a, b, c, d, m, n, x]

Rule 63

Int[((a_.) + (b_.)*(x_))^(m_)*((c_.) + (d_.)*(x_))^(n_), x_Symbol] :> With[{p = Denominator[m]}, Dist[p/b, Sub
st[Int[x^(p*(m + 1) - 1)*(c - (a*d)/b + (d*x^p)/b)^n, x], x, (a + b*x)^(1/p)], x]] /; FreeQ[{a, b, c, d}, x] &
& NeQ[b*c - a*d, 0] && LtQ[-1, m, 0] && LeQ[-1, n, 0] && LeQ[Denominator[n], Denominator[m]] && IntLinearQ[a,
b, c, d, m, n, x]

Rule 206

Int[((a_) + (b_.)*(x_)^2)^(-1), x_Symbol] :> Simp[(1*ArcTanh[(Rt[-b, 2]*x)/Rt[a, 2]])/(Rt[a, 2]*Rt[-b, 2]), x]
/; FreeQ[{a, b}, x] && NegQ[a/b] && (GtQ[a, 0] || LtQ[b, 0])

Rubi steps

\begin{align*} \int \frac{(1-2 x)^{3/2} (3+5 x)}{(2+3 x)^2} \, dx &=\frac{(1-2 x)^{5/2}}{21 (2+3 x)}+\frac{38}{21} \int \frac{(1-2 x)^{3/2}}{2+3 x} \, dx\\ &=\frac{76}{189} (1-2 x)^{3/2}+\frac{(1-2 x)^{5/2}}{21 (2+3 x)}+\frac{38}{9} \int \frac{\sqrt{1-2 x}}{2+3 x} \, dx\\ &=\frac{76}{27} \sqrt{1-2 x}+\frac{76}{189} (1-2 x)^{3/2}+\frac{(1-2 x)^{5/2}}{21 (2+3 x)}+\frac{266}{27} \int \frac{1}{\sqrt{1-2 x} (2+3 x)} \, dx\\ &=\frac{76}{27} \sqrt{1-2 x}+\frac{76}{189} (1-2 x)^{3/2}+\frac{(1-2 x)^{5/2}}{21 (2+3 x)}-\frac{266}{27} \operatorname{Subst}\left (\int \frac{1}{\frac{7}{2}-\frac{3 x^2}{2}} \, dx,x,\sqrt{1-2 x}\right )\\ &=\frac{76}{27} \sqrt{1-2 x}+\frac{76}{189} (1-2 x)^{3/2}+\frac{(1-2 x)^{5/2}}{21 (2+3 x)}-\frac{76}{27} \sqrt{\frac{7}{3}} \tanh ^{-1}\left (\sqrt{\frac{3}{7}} \sqrt{1-2 x}\right )\\ \end{align*}

Mathematica [A]  time = 0.0302387, size = 58, normalized size = 0.76 \[ \frac{1}{81} \left (\frac{3 \sqrt{1-2 x} \left (-60 x^2+212 x+175\right )}{3 x+2}-76 \sqrt{21} \tanh ^{-1}\left (\sqrt{\frac{3}{7}} \sqrt{1-2 x}\right )\right ) \]

Antiderivative was successfully verified.

[In]

Integrate[((1 - 2*x)^(3/2)*(3 + 5*x))/(2 + 3*x)^2,x]

[Out]

((3*Sqrt[1 - 2*x]*(175 + 212*x - 60*x^2))/(2 + 3*x) - 76*Sqrt[21]*ArcTanh[Sqrt[3/7]*Sqrt[1 - 2*x]])/81

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Maple [A]  time = 0.009, size = 54, normalized size = 0.7 \begin{align*}{\frac{10}{27} \left ( 1-2\,x \right ) ^{{\frac{3}{2}}}}+{\frac{74}{27}\sqrt{1-2\,x}}-{\frac{14}{81}\sqrt{1-2\,x} \left ( -2\,x-{\frac{4}{3}} \right ) ^{-1}}-{\frac{76\,\sqrt{21}}{81}{\it Artanh} \left ({\frac{\sqrt{21}}{7}\sqrt{1-2\,x}} \right ) } \end{align*}

Verification of antiderivative is not currently implemented for this CAS.

[In]

int((1-2*x)^(3/2)*(3+5*x)/(2+3*x)^2,x)

[Out]

10/27*(1-2*x)^(3/2)+74/27*(1-2*x)^(1/2)-14/81*(1-2*x)^(1/2)/(-2*x-4/3)-76/81*arctanh(1/7*21^(1/2)*(1-2*x)^(1/2
))*21^(1/2)

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Maxima [A]  time = 1.61856, size = 96, normalized size = 1.26 \begin{align*} \frac{10}{27} \,{\left (-2 \, x + 1\right )}^{\frac{3}{2}} + \frac{38}{81} \, \sqrt{21} \log \left (-\frac{\sqrt{21} - 3 \, \sqrt{-2 \, x + 1}}{\sqrt{21} + 3 \, \sqrt{-2 \, x + 1}}\right ) + \frac{74}{27} \, \sqrt{-2 \, x + 1} + \frac{7 \, \sqrt{-2 \, x + 1}}{27 \,{\left (3 \, x + 2\right )}} \end{align*}

Verification of antiderivative is not currently implemented for this CAS.

[In]

integrate((1-2*x)^(3/2)*(3+5*x)/(2+3*x)^2,x, algorithm="maxima")

[Out]

10/27*(-2*x + 1)^(3/2) + 38/81*sqrt(21)*log(-(sqrt(21) - 3*sqrt(-2*x + 1))/(sqrt(21) + 3*sqrt(-2*x + 1))) + 74
/27*sqrt(-2*x + 1) + 7/27*sqrt(-2*x + 1)/(3*x + 2)

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Fricas [A]  time = 1.37985, size = 198, normalized size = 2.61 \begin{align*} \frac{38 \, \sqrt{7} \sqrt{3}{\left (3 \, x + 2\right )} \log \left (\frac{\sqrt{7} \sqrt{3} \sqrt{-2 \, x + 1} + 3 \, x - 5}{3 \, x + 2}\right ) - 3 \,{\left (60 \, x^{2} - 212 \, x - 175\right )} \sqrt{-2 \, x + 1}}{81 \,{\left (3 \, x + 2\right )}} \end{align*}

Verification of antiderivative is not currently implemented for this CAS.

[In]

integrate((1-2*x)^(3/2)*(3+5*x)/(2+3*x)^2,x, algorithm="fricas")

[Out]

1/81*(38*sqrt(7)*sqrt(3)*(3*x + 2)*log((sqrt(7)*sqrt(3)*sqrt(-2*x + 1) + 3*x - 5)/(3*x + 2)) - 3*(60*x^2 - 212
*x - 175)*sqrt(-2*x + 1))/(3*x + 2)

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Sympy [F(-1)]  time = 0., size = 0, normalized size = 0. \begin{align*} \text{Timed out} \end{align*}

Verification of antiderivative is not currently implemented for this CAS.

[In]

integrate((1-2*x)**(3/2)*(3+5*x)/(2+3*x)**2,x)

[Out]

Timed out

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Giac [A]  time = 1.61186, size = 100, normalized size = 1.32 \begin{align*} \frac{10}{27} \,{\left (-2 \, x + 1\right )}^{\frac{3}{2}} + \frac{38}{81} \, \sqrt{21} \log \left (\frac{{\left | -2 \, \sqrt{21} + 6 \, \sqrt{-2 \, x + 1} \right |}}{2 \,{\left (\sqrt{21} + 3 \, \sqrt{-2 \, x + 1}\right )}}\right ) + \frac{74}{27} \, \sqrt{-2 \, x + 1} + \frac{7 \, \sqrt{-2 \, x + 1}}{27 \,{\left (3 \, x + 2\right )}} \end{align*}

Verification of antiderivative is not currently implemented for this CAS.

[In]

integrate((1-2*x)^(3/2)*(3+5*x)/(2+3*x)^2,x, algorithm="giac")

[Out]

10/27*(-2*x + 1)^(3/2) + 38/81*sqrt(21)*log(1/2*abs(-2*sqrt(21) + 6*sqrt(-2*x + 1))/(sqrt(21) + 3*sqrt(-2*x +
1))) + 74/27*sqrt(-2*x + 1) + 7/27*sqrt(-2*x + 1)/(3*x + 2)