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

Optimal. Leaf size=34 \[ \frac {125 x^2}{8}+\frac {175 x}{2}+\frac {1331}{16 (1-2 x)}+\frac {1815}{16} \log (1-2 x) \]

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Rubi [A]  time = 0.01, antiderivative size = 34, normalized size of antiderivative = 1.00, number of steps used = 2, number of rules used = 1, integrand size = 15, \(\frac {\text {number of rules}}{\text {integrand size}}\) = 0.067, Rules used = {43} \begin {gather*} \frac {125 x^2}{8}+\frac {175 x}{2}+\frac {1331}{16 (1-2 x)}+\frac {1815}{16} \log (1-2 x) \end {gather*}

Antiderivative was successfully verified.

[In]

Int[(3 + 5*x)^3/(1 - 2*x)^2,x]

[Out]

1331/(16*(1 - 2*x)) + (175*x)/2 + (125*x^2)/8 + (1815*Log[1 - 2*x])/16

Rule 43

Int[((a_.) + (b_.)*(x_))^(m_.)*((c_.) + (d_.)*(x_))^(n_.), x_Symbol] :> Int[ExpandIntegrand[(a + b*x)^m*(c + d
*x)^n, x], x] /; FreeQ[{a, b, c, d, n}, x] && NeQ[b*c - a*d, 0] && IGtQ[m, 0] && ( !IntegerQ[n] || (EqQ[c, 0]
&& LeQ[7*m + 4*n + 4, 0]) || LtQ[9*m + 5*(n + 1), 0] || GtQ[m + n + 2, 0])

Rubi steps

\begin {align*} \int \frac {(3+5 x)^3}{(1-2 x)^2} \, dx &=\int \left (\frac {175}{2}+\frac {125 x}{4}+\frac {1331}{8 (-1+2 x)^2}+\frac {1815}{8 (-1+2 x)}\right ) \, dx\\ &=\frac {1331}{16 (1-2 x)}+\frac {175 x}{2}+\frac {125 x^2}{8}+\frac {1815}{16} \log (1-2 x)\\ \end {align*}

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Mathematica [A]  time = 0.01, size = 36, normalized size = 1.06 \begin {gather*} \frac {1000 x^3+5100 x^2-5850 x+3630 (2 x-1) \log (1-2 x)-1137}{64 x-32} \end {gather*}

Antiderivative was successfully verified.

[In]

Integrate[(3 + 5*x)^3/(1 - 2*x)^2,x]

[Out]

(-1137 - 5850*x + 5100*x^2 + 1000*x^3 + 3630*(-1 + 2*x)*Log[1 - 2*x])/(-32 + 64*x)

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IntegrateAlgebraic [F]  time = 0.00, size = 0, normalized size = 0.00 \begin {gather*} \int \frac {(3+5 x)^3}{(1-2 x)^2} \, dx \end {gather*}

Verification is not applicable to the result.

[In]

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

[Out]

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

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fricas [A]  time = 1.44, size = 37, normalized size = 1.09 \begin {gather*} \frac {500 \, x^{3} + 2550 \, x^{2} + 1815 \, {\left (2 \, x - 1\right )} \log \left (2 \, x - 1\right ) - 1400 \, x - 1331}{16 \, {\left (2 \, x - 1\right )}} \end {gather*}

Verification of antiderivative is not currently implemented for this CAS.

[In]

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

[Out]

1/16*(500*x^3 + 2550*x^2 + 1815*(2*x - 1)*log(2*x - 1) - 1400*x - 1331)/(2*x - 1)

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giac [A]  time = 0.99, size = 48, normalized size = 1.41 \begin {gather*} \frac {25}{32} \, {\left (2 \, x - 1\right )}^{2} {\left (\frac {66}{2 \, x - 1} + 5\right )} - \frac {1331}{16 \, {\left (2 \, x - 1\right )}} - \frac {1815}{16} \, \log \left (\frac {{\left | 2 \, x - 1 \right |}}{2 \, {\left (2 \, x - 1\right )}^{2}}\right ) \end {gather*}

Verification of antiderivative is not currently implemented for this CAS.

[In]

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

[Out]

25/32*(2*x - 1)^2*(66/(2*x - 1) + 5) - 1331/16/(2*x - 1) - 1815/16*log(1/2*abs(2*x - 1)/(2*x - 1)^2)

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maple [A]  time = 0.01, size = 27, normalized size = 0.79 \begin {gather*} \frac {125 x^{2}}{8}+\frac {175 x}{2}+\frac {1815 \ln \left (2 x -1\right )}{16}-\frac {1331}{16 \left (2 x -1\right )} \end {gather*}

Verification of antiderivative is not currently implemented for this CAS.

[In]

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

[Out]

125/8*x^2+175/2*x-1331/16/(2*x-1)+1815/16*ln(2*x-1)

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maxima [A]  time = 0.55, size = 26, normalized size = 0.76 \begin {gather*} \frac {125}{8} \, x^{2} + \frac {175}{2} \, x - \frac {1331}{16 \, {\left (2 \, x - 1\right )}} + \frac {1815}{16} \, \log \left (2 \, x - 1\right ) \end {gather*}

Verification of antiderivative is not currently implemented for this CAS.

[In]

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

[Out]

125/8*x^2 + 175/2*x - 1331/16/(2*x - 1) + 1815/16*log(2*x - 1)

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mupad [B]  time = 0.03, size = 24, normalized size = 0.71 \begin {gather*} \frac {175\,x}{2}+\frac {1815\,\ln \left (x-\frac {1}{2}\right )}{16}-\frac {1331}{32\,\left (x-\frac {1}{2}\right )}+\frac {125\,x^2}{8} \end {gather*}

Verification of antiderivative is not currently implemented for this CAS.

[In]

int((5*x + 3)^3/(2*x - 1)^2,x)

[Out]

(175*x)/2 + (1815*log(x - 1/2))/16 - 1331/(32*(x - 1/2)) + (125*x^2)/8

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sympy [A]  time = 0.10, size = 27, normalized size = 0.79 \begin {gather*} \frac {125 x^{2}}{8} + \frac {175 x}{2} + \frac {1815 \log {\left (2 x - 1 \right )}}{16} - \frac {1331}{32 x - 16} \end {gather*}

Verification of antiderivative is not currently implemented for this CAS.

[In]

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

[Out]

125*x**2/8 + 175*x/2 + 1815*log(2*x - 1)/16 - 1331/(32*x - 16)

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