Optimal. Leaf size=50 \[ -\frac {b (b c-a d) x}{d^2}+\frac {(a+b x)^2}{2 d}+\frac {(b c-a d)^2 \log (c+d x)}{d^3} \]
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Rubi [A]
time = 0.02, antiderivative size = 50, normalized size of antiderivative = 1.00, number of steps
used = 3, number of rules used = 2, integrand size = 29, \(\frac {\text {number of rules}}{\text {integrand size}}\) = 0.069, Rules used = {640, 45}
\begin {gather*} \frac {(b c-a d)^2 \log (c+d x)}{d^3}-\frac {b x (b c-a d)}{d^2}+\frac {(a+b x)^2}{2 d} \end {gather*}
Antiderivative was successfully verified.
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Rule 45
Rule 640
Rubi steps
\begin {align*} \int \frac {(a+b x)^3}{a c+(b c+a d) x+b d x^2} \, dx &=\int \frac {(a+b x)^2}{c+d x} \, dx\\ &=\int \left (-\frac {b (b c-a d)}{d^2}+\frac {b (a+b x)}{d}+\frac {(-b c+a d)^2}{d^2 (c+d x)}\right ) \, dx\\ &=-\frac {b (b c-a d) x}{d^2}+\frac {(a+b x)^2}{2 d}+\frac {(b c-a d)^2 \log (c+d x)}{d^3}\\ \end {align*}
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Mathematica [A]
time = 0.01, size = 43, normalized size = 0.86 \begin {gather*} \frac {b d x (-2 b c+4 a d+b d x)+2 (b c-a d)^2 \log (c+d x)}{2 d^3} \end {gather*}
Antiderivative was successfully verified.
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Maple [A]
time = 0.68, size = 56, normalized size = 1.12
method | result | size |
default | \(\frac {b \left (\frac {1}{2} b d \,x^{2}+2 a d x -b c x \right )}{d^{2}}+\frac {\left (a^{2} d^{2}-2 a b c d +b^{2} c^{2}\right ) \ln \left (d x +c \right )}{d^{3}}\) | \(56\) |
norman | \(\frac {b \left (2 a d -b c \right ) x}{d^{2}}+\frac {b^{2} x^{2}}{2 d}+\frac {\left (a^{2} d^{2}-2 a b c d +b^{2} c^{2}\right ) \ln \left (d x +c \right )}{d^{3}}\) | \(59\) |
risch | \(\frac {b^{2} x^{2}}{2 d}+\frac {2 b a x}{d}-\frac {b^{2} c x}{d^{2}}+\frac {\ln \left (d x +c \right ) a^{2}}{d}-\frac {2 \ln \left (d x +c \right ) a b c}{d^{2}}+\frac {\ln \left (d x +c \right ) b^{2} c^{2}}{d^{3}}\) | \(74\) |
Verification of antiderivative is not currently implemented for this CAS.
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Maxima [A]
time = 0.31, size = 60, normalized size = 1.20 \begin {gather*} \frac {b^{2} d x^{2} - 2 \, {\left (b^{2} c - 2 \, a b d\right )} x}{2 \, d^{2}} + \frac {{\left (b^{2} c^{2} - 2 \, a b c d + a^{2} d^{2}\right )} \log \left (d x + c\right )}{d^{3}} \end {gather*}
Verification of antiderivative is not currently implemented for this CAS.
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Fricas [A]
time = 2.65, size = 62, normalized size = 1.24 \begin {gather*} \frac {b^{2} d^{2} x^{2} - 2 \, {\left (b^{2} c d - 2 \, a b d^{2}\right )} x + 2 \, {\left (b^{2} c^{2} - 2 \, a b c d + a^{2} d^{2}\right )} \log \left (d x + c\right )}{2 \, d^{3}} \end {gather*}
Verification of antiderivative is not currently implemented for this CAS.
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Sympy [A]
time = 0.16, size = 44, normalized size = 0.88 \begin {gather*} \frac {b^{2} x^{2}}{2 d} + x \left (\frac {2 a b}{d} - \frac {b^{2} c}{d^{2}}\right ) + \frac {\left (a d - b c\right )^{2} \log {\left (c + d x \right )}}{d^{3}} \end {gather*}
Verification of antiderivative is not currently implemented for this CAS.
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Giac [A]
time = 0.82, size = 60, normalized size = 1.20 \begin {gather*} \frac {b^{2} d x^{2} - 2 \, b^{2} c x + 4 \, a b d x}{2 \, d^{2}} + \frac {{\left (b^{2} c^{2} - 2 \, a b c d + a^{2} d^{2}\right )} \log \left ({\left | d x + c \right |}\right )}{d^{3}} \end {gather*}
Verification of antiderivative is not currently implemented for this CAS.
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Mupad [B]
time = 0.60, size = 62, normalized size = 1.24 \begin {gather*} \frac {\ln \left (c+d\,x\right )\,\left (a^2\,d^2-2\,a\,b\,c\,d+b^2\,c^2\right )}{d^3}-x\,\left (\frac {b^2\,c}{d^2}-\frac {2\,a\,b}{d}\right )+\frac {b^2\,x^2}{2\,d} \end {gather*}
Verification of antiderivative is not currently implemented for this CAS.
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