Optimal. Leaf size=92 \[ \frac {3 b^2 (b c-a d)}{5 d^4 (c+d x)^5}-\frac {b (b c-a d)^2}{2 d^4 (c+d x)^6}+\frac {(b c-a d)^3}{7 d^4 (c+d x)^7}-\frac {b^3}{4 d^4 (c+d x)^4} \]
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Rubi [A] time = 0.06, antiderivative size = 92, 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 {3 b^2 (b c-a d)}{5 d^4 (c+d x)^5}-\frac {b (b c-a d)^2}{2 d^4 (c+d x)^6}+\frac {(b c-a d)^3}{7 d^4 (c+d x)^7}-\frac {b^3}{4 d^4 (c+d x)^4} \end {gather*}
Antiderivative was successfully verified.
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Rule 43
Rubi steps
\begin {align*} \int \frac {(a+b x)^3}{(c+d x)^8} \, dx &=\int \left (\frac {(-b c+a d)^3}{d^3 (c+d x)^8}+\frac {3 b (b c-a d)^2}{d^3 (c+d x)^7}-\frac {3 b^2 (b c-a d)}{d^3 (c+d x)^6}+\frac {b^3}{d^3 (c+d x)^5}\right ) \, dx\\ &=\frac {(b c-a d)^3}{7 d^4 (c+d x)^7}-\frac {b (b c-a d)^2}{2 d^4 (c+d x)^6}+\frac {3 b^2 (b c-a d)}{5 d^4 (c+d x)^5}-\frac {b^3}{4 d^4 (c+d x)^4}\\ \end {align*}
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Mathematica [A] time = 0.03, size = 94, normalized size = 1.02 \begin {gather*} -\frac {20 a^3 d^3+10 a^2 b d^2 (c+7 d x)+4 a b^2 d \left (c^2+7 c d x+21 d^2 x^2\right )+b^3 \left (c^3+7 c^2 d x+21 c d^2 x^2+35 d^3 x^3\right )}{140 d^4 (c+d x)^7} \end {gather*}
Antiderivative was successfully verified.
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IntegrateAlgebraic [F] time = 0.00, size = 0, normalized size = 0.00 \begin {gather*} \int \frac {(a+b x)^3}{(c+d x)^8} \, dx \end {gather*}
Verification is not applicable to the result.
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fricas [B] time = 0.96, size = 182, normalized size = 1.98 \begin {gather*} -\frac {35 \, b^{3} d^{3} x^{3} + b^{3} c^{3} + 4 \, a b^{2} c^{2} d + 10 \, a^{2} b c d^{2} + 20 \, a^{3} d^{3} + 21 \, {\left (b^{3} c d^{2} + 4 \, a b^{2} d^{3}\right )} x^{2} + 7 \, {\left (b^{3} c^{2} d + 4 \, a b^{2} c d^{2} + 10 \, a^{2} b d^{3}\right )} x}{140 \, {\left (d^{11} x^{7} + 7 \, c d^{10} x^{6} + 21 \, c^{2} d^{9} x^{5} + 35 \, c^{3} d^{8} x^{4} + 35 \, c^{4} d^{7} x^{3} + 21 \, c^{5} d^{6} x^{2} + 7 \, c^{6} d^{5} x + c^{7} d^{4}\right )}} \end {gather*}
Verification of antiderivative is not currently implemented for this CAS.
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giac [A] time = 1.24, size = 114, normalized size = 1.24 \begin {gather*} -\frac {35 \, b^{3} d^{3} x^{3} + 21 \, b^{3} c d^{2} x^{2} + 84 \, a b^{2} d^{3} x^{2} + 7 \, b^{3} c^{2} d x + 28 \, a b^{2} c d^{2} x + 70 \, a^{2} b d^{3} x + b^{3} c^{3} + 4 \, a b^{2} c^{2} d + 10 \, a^{2} b c d^{2} + 20 \, a^{3} d^{3}}{140 \, {\left (d x + c\right )}^{7} d^{4}} \end {gather*}
Verification of antiderivative is not currently implemented for this CAS.
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maple [A] time = 0.01, size = 122, normalized size = 1.33 \begin {gather*} -\frac {b^{3}}{4 \left (d x +c \right )^{4} d^{4}}-\frac {3 \left (a d -b c \right ) b^{2}}{5 \left (d x +c \right )^{5} d^{4}}-\frac {\left (a^{2} d^{2}-2 a b c d +b^{2} c^{2}\right ) b}{2 \left (d x +c \right )^{6} d^{4}}-\frac {a^{3} d^{3}-3 a^{2} b c \,d^{2}+3 a \,b^{2} c^{2} d -b^{3} c^{3}}{7 \left (d x +c \right )^{7} d^{4}} \end {gather*}
Verification of antiderivative is not currently implemented for this CAS.
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maxima [B] time = 1.47, size = 182, normalized size = 1.98 \begin {gather*} -\frac {35 \, b^{3} d^{3} x^{3} + b^{3} c^{3} + 4 \, a b^{2} c^{2} d + 10 \, a^{2} b c d^{2} + 20 \, a^{3} d^{3} + 21 \, {\left (b^{3} c d^{2} + 4 \, a b^{2} d^{3}\right )} x^{2} + 7 \, {\left (b^{3} c^{2} d + 4 \, a b^{2} c d^{2} + 10 \, a^{2} b d^{3}\right )} x}{140 \, {\left (d^{11} x^{7} + 7 \, c d^{10} x^{6} + 21 \, c^{2} d^{9} x^{5} + 35 \, c^{3} d^{8} x^{4} + 35 \, c^{4} d^{7} x^{3} + 21 \, c^{5} d^{6} x^{2} + 7 \, c^{6} d^{5} x + c^{7} d^{4}\right )}} \end {gather*}
Verification of antiderivative is not currently implemented for this CAS.
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mupad [B] time = 0.10, size = 176, normalized size = 1.91 \begin {gather*} -\frac {\frac {20\,a^3\,d^3+10\,a^2\,b\,c\,d^2+4\,a\,b^2\,c^2\,d+b^3\,c^3}{140\,d^4}+\frac {b^3\,x^3}{4\,d}+\frac {b\,x\,\left (10\,a^2\,d^2+4\,a\,b\,c\,d+b^2\,c^2\right )}{20\,d^3}+\frac {3\,b^2\,x^2\,\left (4\,a\,d+b\,c\right )}{20\,d^2}}{c^7+7\,c^6\,d\,x+21\,c^5\,d^2\,x^2+35\,c^4\,d^3\,x^3+35\,c^3\,d^4\,x^4+21\,c^2\,d^5\,x^5+7\,c\,d^6\,x^6+d^7\,x^7} \end {gather*}
Verification of antiderivative is not currently implemented for this CAS.
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sympy [B] time = 3.10, size = 196, normalized size = 2.13 \begin {gather*} \frac {- 20 a^{3} d^{3} - 10 a^{2} b c d^{2} - 4 a b^{2} c^{2} d - b^{3} c^{3} - 35 b^{3} d^{3} x^{3} + x^{2} \left (- 84 a b^{2} d^{3} - 21 b^{3} c d^{2}\right ) + x \left (- 70 a^{2} b d^{3} - 28 a b^{2} c d^{2} - 7 b^{3} c^{2} d\right )}{140 c^{7} d^{4} + 980 c^{6} d^{5} x + 2940 c^{5} d^{6} x^{2} + 4900 c^{4} d^{7} x^{3} + 4900 c^{3} d^{8} x^{4} + 2940 c^{2} d^{9} x^{5} + 980 c d^{10} x^{6} + 140 d^{11} x^{7}} \end {gather*}
Verification of antiderivative is not currently implemented for this CAS.
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