Optimal. Leaf size=200 \[ -\frac{7 d^6 (b c-a d)}{8 b^8 (a+b x)^8}-\frac{7 d^5 (b c-a d)^2}{3 b^8 (a+b x)^9}-\frac{7 d^4 (b c-a d)^3}{2 b^8 (a+b x)^{10}}-\frac{35 d^3 (b c-a d)^4}{11 b^8 (a+b x)^{11}}-\frac{7 d^2 (b c-a d)^5}{4 b^8 (a+b x)^{12}}-\frac{7 d (b c-a d)^6}{13 b^8 (a+b x)^{13}}-\frac{(b c-a d)^7}{14 b^8 (a+b x)^{14}}-\frac{d^7}{7 b^8 (a+b x)^7} \]
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Rubi [A] time = 0.142819, antiderivative size = 200, normalized size of antiderivative = 1., 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} \[ -\frac{7 d^6 (b c-a d)}{8 b^8 (a+b x)^8}-\frac{7 d^5 (b c-a d)^2}{3 b^8 (a+b x)^9}-\frac{7 d^4 (b c-a d)^3}{2 b^8 (a+b x)^{10}}-\frac{35 d^3 (b c-a d)^4}{11 b^8 (a+b x)^{11}}-\frac{7 d^2 (b c-a d)^5}{4 b^8 (a+b x)^{12}}-\frac{7 d (b c-a d)^6}{13 b^8 (a+b x)^{13}}-\frac{(b c-a d)^7}{14 b^8 (a+b x)^{14}}-\frac{d^7}{7 b^8 (a+b x)^7} \]
Antiderivative was successfully verified.
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Rule 43
Rubi steps
\begin{align*} \int \frac{(c+d x)^7}{(a+b x)^{15}} \, dx &=\int \left (\frac{(b c-a d)^7}{b^7 (a+b x)^{15}}+\frac{7 d (b c-a d)^6}{b^7 (a+b x)^{14}}+\frac{21 d^2 (b c-a d)^5}{b^7 (a+b x)^{13}}+\frac{35 d^3 (b c-a d)^4}{b^7 (a+b x)^{12}}+\frac{35 d^4 (b c-a d)^3}{b^7 (a+b x)^{11}}+\frac{21 d^5 (b c-a d)^2}{b^7 (a+b x)^{10}}+\frac{7 d^6 (b c-a d)}{b^7 (a+b x)^9}+\frac{d^7}{b^7 (a+b x)^8}\right ) \, dx\\ &=-\frac{(b c-a d)^7}{14 b^8 (a+b x)^{14}}-\frac{7 d (b c-a d)^6}{13 b^8 (a+b x)^{13}}-\frac{7 d^2 (b c-a d)^5}{4 b^8 (a+b x)^{12}}-\frac{35 d^3 (b c-a d)^4}{11 b^8 (a+b x)^{11}}-\frac{7 d^4 (b c-a d)^3}{2 b^8 (a+b x)^{10}}-\frac{7 d^5 (b c-a d)^2}{3 b^8 (a+b x)^9}-\frac{7 d^6 (b c-a d)}{8 b^8 (a+b x)^8}-\frac{d^7}{7 b^8 (a+b x)^7}\\ \end{align*}
Mathematica [A] time = 0.120119, size = 371, normalized size = 1.86 \[ -\frac{7 a^2 b^5 d^2 \left (1092 c^3 d^2 x^2+1456 c^2 d^3 x^3+420 c^4 d x+66 c^5+1001 c d^4 x^4+286 d^5 x^5\right )+7 a^3 b^4 d^3 \left (364 c^2 d^2 x^2+168 c^3 d x+30 c^4+364 c d^3 x^3+143 d^4 x^4\right )+7 a^4 b^3 d^4 \left (56 c^2 d x+12 c^3+91 c d^2 x^2+52 d^3 x^3\right )+7 a^5 b^2 d^5 \left (4 c^2+14 c d x+13 d^2 x^2\right )+7 a^6 b d^6 (c+2 d x)+a^7 d^7+7 a b^6 d \left (2730 c^4 d^2 x^2+4368 c^3 d^3 x^3+4004 c^2 d^4 x^4+924 c^5 d x+132 c^6+2002 c d^5 x^5+429 d^6 x^6\right )+b^7 \left (42042 c^5 d^2 x^2+76440 c^4 d^3 x^3+84084 c^3 d^4 x^4+56056 c^2 d^5 x^5+12936 c^6 d x+1716 c^7+21021 c d^6 x^6+3432 d^7 x^7\right )}{24024 b^8 (a+b x)^{14}} \]
Antiderivative was successfully verified.
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Maple [B] time = 0.008, size = 464, normalized size = 2.3 \begin{align*}{\frac{7\,{d}^{4} \left ({a}^{3}{d}^{3}-3\,{a}^{2}bc{d}^{2}+3\,a{b}^{2}{c}^{2}d-{b}^{3}{c}^{3} \right ) }{2\,{b}^{8} \left ( bx+a \right ) ^{10}}}+{\frac{7\,{d}^{6} \left ( ad-bc \right ) }{8\,{b}^{8} \left ( bx+a \right ) ^{8}}}-{\frac{-{a}^{7}{d}^{7}+7\,{a}^{6}c{d}^{6}b-21\,{a}^{5}{b}^{2}{c}^{2}{d}^{5}+35\,{c}^{3}{d}^{4}{a}^{4}{b}^{3}-35\,{a}^{3}{b}^{4}{c}^{4}{d}^{3}+21\,{a}^{2}{c}^{5}{d}^{2}{b}^{5}-7\,a{c}^{6}d{b}^{6}+{b}^{7}{c}^{7}}{14\,{b}^{8} \left ( bx+a \right ) ^{14}}}-{\frac{35\,{d}^{3} \left ({a}^{4}{d}^{4}-4\,{a}^{3}bc{d}^{3}+6\,{a}^{2}{b}^{2}{c}^{2}{d}^{2}-4\,a{b}^{3}{c}^{3}d+{b}^{4}{c}^{4} \right ) }{11\,{b}^{8} \left ( bx+a \right ) ^{11}}}-{\frac{7\,d \left ({a}^{6}{d}^{6}-6\,{a}^{5}bc{d}^{5}+15\,{a}^{4}{b}^{2}{c}^{2}{d}^{4}-20\,{a}^{3}{b}^{3}{c}^{3}{d}^{3}+15\,{a}^{2}{b}^{4}{c}^{4}{d}^{2}-6\,a{b}^{5}{c}^{5}d+{b}^{6}{c}^{6} \right ) }{13\,{b}^{8} \left ( bx+a \right ) ^{13}}}+{\frac{7\,{d}^{2} \left ({a}^{5}{d}^{5}-5\,{a}^{4}bc{d}^{4}+10\,{a}^{3}{b}^{2}{c}^{2}{d}^{3}-10\,{a}^{2}{b}^{3}{c}^{3}{d}^{2}+5\,a{b}^{4}{c}^{4}d-{b}^{5}{c}^{5} \right ) }{4\,{b}^{8} \left ( bx+a \right ) ^{12}}}-{\frac{7\,{d}^{5} \left ({a}^{2}{d}^{2}-2\,abcd+{b}^{2}{c}^{2} \right ) }{3\,{b}^{8} \left ( bx+a \right ) ^{9}}}-{\frac{{d}^{7}}{7\,{b}^{8} \left ( bx+a \right ) ^{7}}} \end{align*}
Verification of antiderivative is not currently implemented for this CAS.
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Maxima [B] time = 1.13914, size = 814, normalized size = 4.07 \begin{align*} -\frac{3432 \, b^{7} d^{7} x^{7} + 1716 \, b^{7} c^{7} + 924 \, a b^{6} c^{6} d + 462 \, a^{2} b^{5} c^{5} d^{2} + 210 \, a^{3} b^{4} c^{4} d^{3} + 84 \, a^{4} b^{3} c^{3} d^{4} + 28 \, a^{5} b^{2} c^{2} d^{5} + 7 \, a^{6} b c d^{6} + a^{7} d^{7} + 3003 \,{\left (7 \, b^{7} c d^{6} + a b^{6} d^{7}\right )} x^{6} + 2002 \,{\left (28 \, b^{7} c^{2} d^{5} + 7 \, a b^{6} c d^{6} + a^{2} b^{5} d^{7}\right )} x^{5} + 1001 \,{\left (84 \, b^{7} c^{3} d^{4} + 28 \, a b^{6} c^{2} d^{5} + 7 \, a^{2} b^{5} c d^{6} + a^{3} b^{4} d^{7}\right )} x^{4} + 364 \,{\left (210 \, b^{7} c^{4} d^{3} + 84 \, a b^{6} c^{3} d^{4} + 28 \, a^{2} b^{5} c^{2} d^{5} + 7 \, a^{3} b^{4} c d^{6} + a^{4} b^{3} d^{7}\right )} x^{3} + 91 \,{\left (462 \, b^{7} c^{5} d^{2} + 210 \, a b^{6} c^{4} d^{3} + 84 \, a^{2} b^{5} c^{3} d^{4} + 28 \, a^{3} b^{4} c^{2} d^{5} + 7 \, a^{4} b^{3} c d^{6} + a^{5} b^{2} d^{7}\right )} x^{2} + 14 \,{\left (924 \, b^{7} c^{6} d + 462 \, a b^{6} c^{5} d^{2} + 210 \, a^{2} b^{5} c^{4} d^{3} + 84 \, a^{3} b^{4} c^{3} d^{4} + 28 \, a^{4} b^{3} c^{2} d^{5} + 7 \, a^{5} b^{2} c d^{6} + a^{6} b d^{7}\right )} x}{24024 \,{\left (b^{22} x^{14} + 14 \, a b^{21} x^{13} + 91 \, a^{2} b^{20} x^{12} + 364 \, a^{3} b^{19} x^{11} + 1001 \, a^{4} b^{18} x^{10} + 2002 \, a^{5} b^{17} x^{9} + 3003 \, a^{6} b^{16} x^{8} + 3432 \, a^{7} b^{15} x^{7} + 3003 \, a^{8} b^{14} x^{6} + 2002 \, a^{9} b^{13} x^{5} + 1001 \, a^{10} b^{12} x^{4} + 364 \, a^{11} b^{11} x^{3} + 91 \, a^{12} b^{10} x^{2} + 14 \, a^{13} b^{9} x + a^{14} b^{8}\right )}} \end{align*}
Verification of antiderivative is not currently implemented for this CAS.
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Fricas [B] time = 1.85291, size = 1326, normalized size = 6.63 \begin{align*} -\frac{3432 \, b^{7} d^{7} x^{7} + 1716 \, b^{7} c^{7} + 924 \, a b^{6} c^{6} d + 462 \, a^{2} b^{5} c^{5} d^{2} + 210 \, a^{3} b^{4} c^{4} d^{3} + 84 \, a^{4} b^{3} c^{3} d^{4} + 28 \, a^{5} b^{2} c^{2} d^{5} + 7 \, a^{6} b c d^{6} + a^{7} d^{7} + 3003 \,{\left (7 \, b^{7} c d^{6} + a b^{6} d^{7}\right )} x^{6} + 2002 \,{\left (28 \, b^{7} c^{2} d^{5} + 7 \, a b^{6} c d^{6} + a^{2} b^{5} d^{7}\right )} x^{5} + 1001 \,{\left (84 \, b^{7} c^{3} d^{4} + 28 \, a b^{6} c^{2} d^{5} + 7 \, a^{2} b^{5} c d^{6} + a^{3} b^{4} d^{7}\right )} x^{4} + 364 \,{\left (210 \, b^{7} c^{4} d^{3} + 84 \, a b^{6} c^{3} d^{4} + 28 \, a^{2} b^{5} c^{2} d^{5} + 7 \, a^{3} b^{4} c d^{6} + a^{4} b^{3} d^{7}\right )} x^{3} + 91 \,{\left (462 \, b^{7} c^{5} d^{2} + 210 \, a b^{6} c^{4} d^{3} + 84 \, a^{2} b^{5} c^{3} d^{4} + 28 \, a^{3} b^{4} c^{2} d^{5} + 7 \, a^{4} b^{3} c d^{6} + a^{5} b^{2} d^{7}\right )} x^{2} + 14 \,{\left (924 \, b^{7} c^{6} d + 462 \, a b^{6} c^{5} d^{2} + 210 \, a^{2} b^{5} c^{4} d^{3} + 84 \, a^{3} b^{4} c^{3} d^{4} + 28 \, a^{4} b^{3} c^{2} d^{5} + 7 \, a^{5} b^{2} c d^{6} + a^{6} b d^{7}\right )} x}{24024 \,{\left (b^{22} x^{14} + 14 \, a b^{21} x^{13} + 91 \, a^{2} b^{20} x^{12} + 364 \, a^{3} b^{19} x^{11} + 1001 \, a^{4} b^{18} x^{10} + 2002 \, a^{5} b^{17} x^{9} + 3003 \, a^{6} b^{16} x^{8} + 3432 \, a^{7} b^{15} x^{7} + 3003 \, a^{8} b^{14} x^{6} + 2002 \, a^{9} b^{13} x^{5} + 1001 \, a^{10} b^{12} x^{4} + 364 \, a^{11} b^{11} x^{3} + 91 \, a^{12} b^{10} x^{2} + 14 \, a^{13} b^{9} x + a^{14} b^{8}\right )}} \end{align*}
Verification of antiderivative is not currently implemented for this CAS.
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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.
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Giac [B] time = 1.06709, size = 670, normalized size = 3.35 \begin{align*} -\frac{3432 \, b^{7} d^{7} x^{7} + 21021 \, b^{7} c d^{6} x^{6} + 3003 \, a b^{6} d^{7} x^{6} + 56056 \, b^{7} c^{2} d^{5} x^{5} + 14014 \, a b^{6} c d^{6} x^{5} + 2002 \, a^{2} b^{5} d^{7} x^{5} + 84084 \, b^{7} c^{3} d^{4} x^{4} + 28028 \, a b^{6} c^{2} d^{5} x^{4} + 7007 \, a^{2} b^{5} c d^{6} x^{4} + 1001 \, a^{3} b^{4} d^{7} x^{4} + 76440 \, b^{7} c^{4} d^{3} x^{3} + 30576 \, a b^{6} c^{3} d^{4} x^{3} + 10192 \, a^{2} b^{5} c^{2} d^{5} x^{3} + 2548 \, a^{3} b^{4} c d^{6} x^{3} + 364 \, a^{4} b^{3} d^{7} x^{3} + 42042 \, b^{7} c^{5} d^{2} x^{2} + 19110 \, a b^{6} c^{4} d^{3} x^{2} + 7644 \, a^{2} b^{5} c^{3} d^{4} x^{2} + 2548 \, a^{3} b^{4} c^{2} d^{5} x^{2} + 637 \, a^{4} b^{3} c d^{6} x^{2} + 91 \, a^{5} b^{2} d^{7} x^{2} + 12936 \, b^{7} c^{6} d x + 6468 \, a b^{6} c^{5} d^{2} x + 2940 \, a^{2} b^{5} c^{4} d^{3} x + 1176 \, a^{3} b^{4} c^{3} d^{4} x + 392 \, a^{4} b^{3} c^{2} d^{5} x + 98 \, a^{5} b^{2} c d^{6} x + 14 \, a^{6} b d^{7} x + 1716 \, b^{7} c^{7} + 924 \, a b^{6} c^{6} d + 462 \, a^{2} b^{5} c^{5} d^{2} + 210 \, a^{3} b^{4} c^{4} d^{3} + 84 \, a^{4} b^{3} c^{3} d^{4} + 28 \, a^{5} b^{2} c^{2} d^{5} + 7 \, a^{6} b c d^{6} + a^{7} d^{7}}{24024 \,{\left (b x + a\right )}^{14} b^{8}} \end{align*}
Verification of antiderivative is not currently implemented for this CAS.
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