Optimal. Leaf size=51 \[ -\frac {(b c-a d)^2}{d^3 (c+d x)}-\frac {2 b (b c-a d) \log (c+d x)}{d^3}+\frac {b^2 x}{d^2} \]
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Rubi [A] time = 0.04, antiderivative size = 51, 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} \[ -\frac {(b c-a d)^2}{d^3 (c+d x)}-\frac {2 b (b c-a d) \log (c+d x)}{d^3}+\frac {b^2 x}{d^2} \]
Antiderivative was successfully verified.
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Rule 43
Rubi steps
\begin {align*} \int \frac {(a+b x)^2}{(c+d x)^2} \, dx &=\int \left (\frac {b^2}{d^2}+\frac {(-b c+a d)^2}{d^2 (c+d x)^2}-\frac {2 b (b c-a d)}{d^2 (c+d x)}\right ) \, dx\\ &=\frac {b^2 x}{d^2}-\frac {(b c-a d)^2}{d^3 (c+d x)}-\frac {2 b (b c-a d) \log (c+d x)}{d^3}\\ \end {align*}
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Mathematica [A] time = 0.04, size = 47, normalized size = 0.92 \[ \frac {-\frac {(b c-a d)^2}{c+d x}+2 b (a d-b c) \log (c+d x)+b^2 d x}{d^3} \]
Antiderivative was successfully verified.
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fricas [A] time = 0.45, size = 92, normalized size = 1.80 \[ \frac {b^{2} d^{2} x^{2} + b^{2} c d x - b^{2} c^{2} + 2 \, a b c d - a^{2} d^{2} - 2 \, {\left (b^{2} c^{2} - a b c d + {\left (b^{2} c d - a b d^{2}\right )} x\right )} \log \left (d x + c\right )}{d^{4} x + c d^{3}} \]
Verification of antiderivative is not currently implemented for this CAS.
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giac [A] time = 1.25, size = 98, normalized size = 1.92 \[ \frac {{\left (d x + c\right )} b^{2}}{d^{3}} + \frac {2 \, {\left (b^{2} c - a b d\right )} \log \left (\frac {{\left | d x + c \right |}}{{\left (d x + c\right )}^{2} {\left | d \right |}}\right )}{d^{3}} - \frac {\frac {b^{2} c^{2} d}{d x + c} - \frac {2 \, a b c d^{2}}{d x + c} + \frac {a^{2} d^{3}}{d x + c}}{d^{4}} \]
Verification of antiderivative is not currently implemented for this CAS.
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maple [A] time = 0.01, size = 86, normalized size = 1.69 \[ -\frac {a^{2}}{\left (d x +c \right ) d}+\frac {2 a b c}{\left (d x +c \right ) d^{2}}+\frac {2 a b \ln \left (d x +c \right )}{d^{2}}-\frac {b^{2} c^{2}}{\left (d x +c \right ) d^{3}}-\frac {2 b^{2} c \ln \left (d x +c \right )}{d^{3}}+\frac {b^{2} x}{d^{2}} \]
Verification of antiderivative is not currently implemented for this CAS.
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maxima [A] time = 1.35, size = 67, normalized size = 1.31 \[ \frac {b^{2} x}{d^{2}} - \frac {b^{2} c^{2} - 2 \, a b c d + a^{2} d^{2}}{d^{4} x + c d^{3}} - \frac {2 \, {\left (b^{2} c - a b d\right )} \log \left (d x + c\right )}{d^{3}} \]
Verification of antiderivative is not currently implemented for this CAS.
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mupad [B] time = 0.24, size = 71, normalized size = 1.39 \[ \frac {b^2\,x}{d^2}-\frac {a^2\,d^2-2\,a\,b\,c\,d+b^2\,c^2}{d\,\left (x\,d^3+c\,d^2\right )}-\frac {\ln \left (c+d\,x\right )\,\left (2\,b^2\,c-2\,a\,b\,d\right )}{d^3} \]
Verification of antiderivative is not currently implemented for this CAS.
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sympy [A] time = 0.34, size = 60, normalized size = 1.18 \[ \frac {b^{2} x}{d^{2}} + \frac {2 b \left (a d - b c\right ) \log {\left (c + d x \right )}}{d^{3}} + \frac {- a^{2} d^{2} + 2 a b c d - b^{2} c^{2}}{c d^{3} + d^{4} x} \]
Verification of antiderivative is not currently implemented for this CAS.
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