Optimal. Leaf size=169 \[ \frac{d x (b c-a d)^6}{b^7}+\frac{(c+d x)^2 (b c-a d)^5}{2 b^6}+\frac{(c+d x)^3 (b c-a d)^4}{3 b^5}+\frac{(c+d x)^4 (b c-a d)^3}{4 b^4}+\frac{(c+d x)^5 (b c-a d)^2}{5 b^3}+\frac{(c+d x)^6 (b c-a d)}{6 b^2}+\frac{(b c-a d)^7 \log (a+b x)}{b^8}+\frac{(c+d x)^7}{7 b} \]
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Rubi [A] time = 0.0725765, antiderivative size = 169, 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} \[ \frac{d x (b c-a d)^6}{b^7}+\frac{(c+d x)^2 (b c-a d)^5}{2 b^6}+\frac{(c+d x)^3 (b c-a d)^4}{3 b^5}+\frac{(c+d x)^4 (b c-a d)^3}{4 b^4}+\frac{(c+d x)^5 (b c-a d)^2}{5 b^3}+\frac{(c+d x)^6 (b c-a d)}{6 b^2}+\frac{(b c-a d)^7 \log (a+b x)}{b^8}+\frac{(c+d x)^7}{7 b} \]
Antiderivative was successfully verified.
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Rule 43
Rubi steps
\begin{align*} \int \frac{(c+d x)^7}{a+b x} \, dx &=\int \left (\frac{d (b c-a d)^6}{b^7}+\frac{(b c-a d)^7}{b^7 (a+b x)}+\frac{d (b c-a d)^5 (c+d x)}{b^6}+\frac{d (b c-a d)^4 (c+d x)^2}{b^5}+\frac{d (b c-a d)^3 (c+d x)^3}{b^4}+\frac{d (b c-a d)^2 (c+d x)^4}{b^3}+\frac{d (b c-a d) (c+d x)^5}{b^2}+\frac{d (c+d x)^6}{b}\right ) \, dx\\ &=\frac{d (b c-a d)^6 x}{b^7}+\frac{(b c-a d)^5 (c+d x)^2}{2 b^6}+\frac{(b c-a d)^4 (c+d x)^3}{3 b^5}+\frac{(b c-a d)^3 (c+d x)^4}{4 b^4}+\frac{(b c-a d)^2 (c+d x)^5}{5 b^3}+\frac{(b c-a d) (c+d x)^6}{6 b^2}+\frac{(c+d x)^7}{7 b}+\frac{(b c-a d)^7 \log (a+b x)}{b^8}\\ \end{align*}
Mathematica [A] time = 0.142045, size = 304, normalized size = 1.8 \[ \frac{d x \left (21 a^2 b^4 d^2 \left (140 c^2 d^2 x^2+350 c^3 d x+700 c^4+35 c d^3 x^3+4 d^4 x^4\right )-35 a^3 b^3 d^3 \left (126 c^2 d x+420 c^3+28 c d^2 x^2+3 d^3 x^3\right )+70 a^4 b^2 d^4 \left (126 c^2+21 c d x+2 d^2 x^2\right )-210 a^5 b d^5 (14 c+d x)+420 a^6 d^6-7 a b^5 d \left (700 c^3 d^2 x^2+315 c^2 d^3 x^3+1050 c^4 d x+1260 c^5+84 c d^4 x^4+10 d^5 x^5\right )+b^6 \left (4900 c^4 d^2 x^2+3675 c^3 d^3 x^3+1764 c^2 d^4 x^4+4410 c^5 d x+2940 c^6+490 c d^5 x^5+60 d^6 x^6\right )\right )}{420 b^7}+\frac{(b c-a d)^7 \log (a+b x)}{b^8} \]
Antiderivative was successfully verified.
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Maple [B] time = 0.006, size = 539, normalized size = 3.2 \begin{align*}{\frac{{d}^{7}{x}^{3}{a}^{4}}{3\,{b}^{5}}}+{\frac{35\,{d}^{3}{x}^{3}{c}^{4}}{3\,b}}-{\frac{{d}^{7}{x}^{2}{a}^{5}}{2\,{b}^{6}}}+{\frac{21\,{d}^{2}{x}^{2}{c}^{5}}{2\,b}}-{\frac{{d}^{7}{x}^{6}a}{6\,{b}^{2}}}+{\frac{7\,{d}^{6}{x}^{6}c}{6\,b}}+{\frac{{d}^{7}{x}^{5}{a}^{2}}{5\,{b}^{3}}}+{\frac{21\,{d}^{5}{x}^{5}{c}^{2}}{5\,b}}-{\frac{\ln \left ( bx+a \right ){a}^{7}{d}^{7}}{{b}^{8}}}+7\,{\frac{d{c}^{6}x}{b}}+{\frac{{a}^{6}{d}^{7}x}{{b}^{7}}}-{\frac{{d}^{7}{x}^{4}{a}^{3}}{4\,{b}^{4}}}+{\frac{35\,{d}^{4}{x}^{4}{c}^{3}}{4\,b}}-{\frac{7\,{d}^{6}{x}^{3}{a}^{3}c}{3\,{b}^{4}}}+7\,{\frac{{d}^{5}{x}^{3}{a}^{2}{c}^{2}}{{b}^{3}}}-{\frac{35\,{d}^{4}{x}^{3}a{c}^{3}}{3\,{b}^{2}}}+{\frac{7\,{d}^{6}{x}^{4}{a}^{2}c}{4\,{b}^{3}}}-{\frac{21\,{d}^{5}{x}^{4}a{c}^{2}}{4\,{b}^{2}}}-{\frac{7\,{d}^{6}{x}^{5}ac}{5\,{b}^{2}}}-21\,{\frac{\ln \left ( bx+a \right ){a}^{5}{c}^{2}{d}^{5}}{{b}^{6}}}+35\,{\frac{{a}^{4}\ln \left ( bx+a \right ){c}^{3}{d}^{4}}{{b}^{5}}}-35\,{\frac{{a}^{3}\ln \left ( bx+a \right ){c}^{4}{d}^{3}}{{b}^{4}}}+21\,{\frac{{a}^{2}\ln \left ( bx+a \right ){c}^{5}{d}^{2}}{{b}^{3}}}+7\,{\frac{\ln \left ( bx+a \right ){a}^{6}c{d}^{6}}{{b}^{7}}}-{\frac{21\,{d}^{5}{x}^{2}{a}^{3}{c}^{2}}{2\,{b}^{4}}}-7\,{\frac{a\ln \left ( bx+a \right ){c}^{6}d}{{b}^{2}}}-7\,{\frac{{a}^{5}c{d}^{6}x}{{b}^{6}}}-21\,{\frac{a{c}^{5}{d}^{2}x}{{b}^{2}}}+{\frac{7\,{d}^{6}{x}^{2}{a}^{4}c}{2\,{b}^{5}}}+{\frac{35\,{d}^{4}{x}^{2}{a}^{2}{c}^{3}}{2\,{b}^{3}}}-{\frac{35\,{d}^{3}{x}^{2}a{c}^{4}}{2\,{b}^{2}}}+35\,{\frac{{a}^{2}{c}^{4}{d}^{3}x}{{b}^{3}}}+21\,{\frac{{d}^{5}{a}^{4}{c}^{2}x}{{b}^{5}}}-35\,{\frac{{a}^{3}{c}^{3}{d}^{4}x}{{b}^{4}}}+{\frac{{d}^{7}{x}^{7}}{7\,b}}+{\frac{\ln \left ( bx+a \right ){c}^{7}}{b}} \end{align*}
Verification of antiderivative is not currently implemented for this CAS.
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Maxima [B] time = 0.96687, size = 621, normalized size = 3.67 \begin{align*} \frac{60 \, b^{6} d^{7} x^{7} + 70 \,{\left (7 \, b^{6} c d^{6} - a b^{5} d^{7}\right )} x^{6} + 84 \,{\left (21 \, b^{6} c^{2} d^{5} - 7 \, a b^{5} c d^{6} + a^{2} b^{4} d^{7}\right )} x^{5} + 105 \,{\left (35 \, b^{6} c^{3} d^{4} - 21 \, a b^{5} c^{2} d^{5} + 7 \, a^{2} b^{4} c d^{6} - a^{3} b^{3} d^{7}\right )} x^{4} + 140 \,{\left (35 \, b^{6} c^{4} d^{3} - 35 \, a b^{5} c^{3} d^{4} + 21 \, a^{2} b^{4} c^{2} d^{5} - 7 \, a^{3} b^{3} c d^{6} + a^{4} b^{2} d^{7}\right )} x^{3} + 210 \,{\left (21 \, b^{6} c^{5} d^{2} - 35 \, a b^{5} c^{4} d^{3} + 35 \, a^{2} b^{4} c^{3} d^{4} - 21 \, a^{3} b^{3} c^{2} d^{5} + 7 \, a^{4} b^{2} c d^{6} - a^{5} b d^{7}\right )} x^{2} + 420 \,{\left (7 \, b^{6} c^{6} d - 21 \, a b^{5} c^{5} d^{2} + 35 \, a^{2} b^{4} c^{4} d^{3} - 35 \, a^{3} b^{3} c^{3} d^{4} + 21 \, a^{4} b^{2} c^{2} d^{5} - 7 \, a^{5} b c d^{6} + a^{6} d^{7}\right )} x}{420 \, b^{7}} + \frac{{\left (b^{7} c^{7} - 7 \, a b^{6} c^{6} d + 21 \, a^{2} b^{5} c^{5} d^{2} - 35 \, a^{3} b^{4} c^{4} d^{3} + 35 \, a^{4} b^{3} c^{3} d^{4} - 21 \, a^{5} b^{2} c^{2} d^{5} + 7 \, a^{6} b c d^{6} - a^{7} d^{7}\right )} \log \left (b x + a\right )}{b^{8}} \end{align*}
Verification of antiderivative is not currently implemented for this CAS.
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Fricas [B] time = 2.32019, size = 952, normalized size = 5.63 \begin{align*} \frac{60 \, b^{7} d^{7} x^{7} + 70 \,{\left (7 \, b^{7} c d^{6} - a b^{6} d^{7}\right )} x^{6} + 84 \,{\left (21 \, b^{7} c^{2} d^{5} - 7 \, a b^{6} c d^{6} + a^{2} b^{5} d^{7}\right )} x^{5} + 105 \,{\left (35 \, b^{7} c^{3} d^{4} - 21 \, a b^{6} c^{2} d^{5} + 7 \, a^{2} b^{5} c d^{6} - a^{3} b^{4} d^{7}\right )} x^{4} + 140 \,{\left (35 \, b^{7} c^{4} d^{3} - 35 \, a b^{6} c^{3} d^{4} + 21 \, 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} + 210 \,{\left (21 \, b^{7} c^{5} d^{2} - 35 \, a b^{6} c^{4} d^{3} + 35 \, a^{2} b^{5} c^{3} d^{4} - 21 \, 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} + 420 \,{\left (7 \, b^{7} c^{6} d - 21 \, a b^{6} c^{5} d^{2} + 35 \, a^{2} b^{5} c^{4} d^{3} - 35 \, a^{3} b^{4} c^{3} d^{4} + 21 \, a^{4} b^{3} c^{2} d^{5} - 7 \, a^{5} b^{2} c d^{6} + a^{6} b d^{7}\right )} x + 420 \,{\left (b^{7} c^{7} - 7 \, a b^{6} c^{6} d + 21 \, a^{2} b^{5} c^{5} d^{2} - 35 \, a^{3} b^{4} c^{4} d^{3} + 35 \, a^{4} b^{3} c^{3} d^{4} - 21 \, a^{5} b^{2} c^{2} d^{5} + 7 \, a^{6} b c d^{6} - a^{7} d^{7}\right )} \log \left (b x + a\right )}{420 \, b^{8}} \end{align*}
Verification of antiderivative is not currently implemented for this CAS.
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Sympy [B] time = 0.968406, size = 384, normalized size = 2.27 \begin{align*} \frac{d^{7} x^{7}}{7 b} - \frac{x^{6} \left (a d^{7} - 7 b c d^{6}\right )}{6 b^{2}} + \frac{x^{5} \left (a^{2} d^{7} - 7 a b c d^{6} + 21 b^{2} c^{2} d^{5}\right )}{5 b^{3}} - \frac{x^{4} \left (a^{3} d^{7} - 7 a^{2} b c d^{6} + 21 a b^{2} c^{2} d^{5} - 35 b^{3} c^{3} d^{4}\right )}{4 b^{4}} + \frac{x^{3} \left (a^{4} d^{7} - 7 a^{3} b c d^{6} + 21 a^{2} b^{2} c^{2} d^{5} - 35 a b^{3} c^{3} d^{4} + 35 b^{4} c^{4} d^{3}\right )}{3 b^{5}} - \frac{x^{2} \left (a^{5} d^{7} - 7 a^{4} b c d^{6} + 21 a^{3} b^{2} c^{2} d^{5} - 35 a^{2} b^{3} c^{3} d^{4} + 35 a b^{4} c^{4} d^{3} - 21 b^{5} c^{5} d^{2}\right )}{2 b^{6}} + \frac{x \left (a^{6} d^{7} - 7 a^{5} b c d^{6} + 21 a^{4} b^{2} c^{2} d^{5} - 35 a^{3} b^{3} c^{3} d^{4} + 35 a^{2} b^{4} c^{4} d^{3} - 21 a b^{5} c^{5} d^{2} + 7 b^{6} c^{6} d\right )}{b^{7}} - \frac{\left (a d - b c\right )^{7} \log{\left (a + b x \right )}}{b^{8}} \end{align*}
Verification of antiderivative is not currently implemented for this CAS.
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Giac [B] time = 1.04438, size = 671, normalized size = 3.97 \begin{align*} \frac{60 \, b^{6} d^{7} x^{7} + 490 \, b^{6} c d^{6} x^{6} - 70 \, a b^{5} d^{7} x^{6} + 1764 \, b^{6} c^{2} d^{5} x^{5} - 588 \, a b^{5} c d^{6} x^{5} + 84 \, a^{2} b^{4} d^{7} x^{5} + 3675 \, b^{6} c^{3} d^{4} x^{4} - 2205 \, a b^{5} c^{2} d^{5} x^{4} + 735 \, a^{2} b^{4} c d^{6} x^{4} - 105 \, a^{3} b^{3} d^{7} x^{4} + 4900 \, b^{6} c^{4} d^{3} x^{3} - 4900 \, a b^{5} c^{3} d^{4} x^{3} + 2940 \, a^{2} b^{4} c^{2} d^{5} x^{3} - 980 \, a^{3} b^{3} c d^{6} x^{3} + 140 \, a^{4} b^{2} d^{7} x^{3} + 4410 \, b^{6} c^{5} d^{2} x^{2} - 7350 \, a b^{5} c^{4} d^{3} x^{2} + 7350 \, a^{2} b^{4} c^{3} d^{4} x^{2} - 4410 \, a^{3} b^{3} c^{2} d^{5} x^{2} + 1470 \, a^{4} b^{2} c d^{6} x^{2} - 210 \, a^{5} b d^{7} x^{2} + 2940 \, b^{6} c^{6} d x - 8820 \, a b^{5} c^{5} d^{2} x + 14700 \, a^{2} b^{4} c^{4} d^{3} x - 14700 \, a^{3} b^{3} c^{3} d^{4} x + 8820 \, a^{4} b^{2} c^{2} d^{5} x - 2940 \, a^{5} b c d^{6} x + 420 \, a^{6} d^{7} x}{420 \, b^{7}} + \frac{{\left (b^{7} c^{7} - 7 \, a b^{6} c^{6} d + 21 \, a^{2} b^{5} c^{5} d^{2} - 35 \, a^{3} b^{4} c^{4} d^{3} + 35 \, a^{4} b^{3} c^{3} d^{4} - 21 \, a^{5} b^{2} c^{2} d^{5} + 7 \, a^{6} b c d^{6} - a^{7} d^{7}\right )} \log \left ({\left | b x + a \right |}\right )}{b^{8}} \end{align*}
Verification of antiderivative is not currently implemented for this CAS.
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