Optimal. Leaf size=38 \[ \frac {b c-a d}{7 d^2 (c+d x)^7}-\frac {b}{6 d^2 (c+d x)^6} \]
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Rubi [A]
time = 0.02, antiderivative size = 38, normalized size of antiderivative = 1.00, number of steps
used = 2, number of rules used = 1, integrand size = 13, \(\frac {\text {number of rules}}{\text {integrand size}}\) = 0.077, Rules used = {45}
\begin {gather*} \frac {b c-a d}{7 d^2 (c+d x)^7}-\frac {b}{6 d^2 (c+d x)^6} \end {gather*}
Antiderivative was successfully verified.
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Rule 45
Rubi steps
\begin {align*} \int \frac {a+b x}{(c+d x)^8} \, dx &=\int \left (\frac {-b c+a d}{d (c+d x)^8}+\frac {b}{d (c+d x)^7}\right ) \, dx\\ &=\frac {b c-a d}{7 d^2 (c+d x)^7}-\frac {b}{6 d^2 (c+d x)^6}\\ \end {align*}
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Mathematica [A]
time = 0.01, size = 27, normalized size = 0.71 \begin {gather*} -\frac {6 a d+b (c+7 d x)}{42 d^2 (c+d x)^7} \end {gather*}
Antiderivative was successfully verified.
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Maple [A]
time = 0.12, size = 35, normalized size = 0.92
method | result | size |
gosper | \(-\frac {7 b d x +6 a d +b c}{42 d^{2} \left (d x +c \right )^{7}}\) | \(26\) |
risch | \(\frac {-\frac {b x}{6 d}-\frac {6 a d +b c}{42 d^{2}}}{\left (d x +c \right )^{7}}\) | \(30\) |
default | \(-\frac {b}{6 d^{2} \left (d x +c \right )^{6}}-\frac {a d -b c}{7 d^{2} \left (d x +c \right )^{7}}\) | \(35\) |
norman | \(\frac {-\frac {b x}{6 d}-\frac {6 a \,d^{6}+b c \,d^{5}}{42 d^{7}}}{\left (d x +c \right )^{7}}\) | \(35\) |
Verification of antiderivative is not currently implemented for this CAS.
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Maxima [B] Leaf count of result is larger than twice the leaf count of optimal. 94 vs.
\(2 (34) = 68\).
time = 0.29, size = 94, normalized size = 2.47 \begin {gather*} -\frac {7 \, b d x + b c + 6 \, a d}{42 \, {\left (d^{9} x^{7} + 7 \, c d^{8} x^{6} + 21 \, c^{2} d^{7} x^{5} + 35 \, c^{3} d^{6} x^{4} + 35 \, c^{4} d^{5} x^{3} + 21 \, c^{5} d^{4} x^{2} + 7 \, c^{6} d^{3} x + c^{7} d^{2}\right )}} \end {gather*}
Verification of antiderivative is not currently implemented for this CAS.
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Fricas [B] Leaf count of result is larger than twice the leaf count of optimal. 94 vs.
\(2 (34) = 68\).
time = 0.53, size = 94, normalized size = 2.47 \begin {gather*} -\frac {7 \, b d x + b c + 6 \, a d}{42 \, {\left (d^{9} x^{7} + 7 \, c d^{8} x^{6} + 21 \, c^{2} d^{7} x^{5} + 35 \, c^{3} d^{6} x^{4} + 35 \, c^{4} d^{5} x^{3} + 21 \, c^{5} d^{4} x^{2} + 7 \, c^{6} d^{3} x + c^{7} d^{2}\right )}} \end {gather*}
Verification of antiderivative is not currently implemented for this CAS.
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Sympy [B] Leaf count of result is larger than twice the leaf count of optimal. 100 vs.
\(2 (32) = 64\).
time = 0.51, size = 100, normalized size = 2.63 \begin {gather*} \frac {- 6 a d - b c - 7 b d x}{42 c^{7} d^{2} + 294 c^{6} d^{3} x + 882 c^{5} d^{4} x^{2} + 1470 c^{4} d^{5} x^{3} + 1470 c^{3} d^{6} x^{4} + 882 c^{2} d^{7} x^{5} + 294 c d^{8} x^{6} + 42 d^{9} x^{7}} \end {gather*}
Verification of antiderivative is not currently implemented for this CAS.
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Giac [A]
time = 1.71, size = 25, normalized size = 0.66 \begin {gather*} -\frac {7 \, b d x + b c + 6 \, a d}{42 \, {\left (d x + c\right )}^{7} d^{2}} \end {gather*}
Verification of antiderivative is not currently implemented for this CAS.
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Mupad [B]
time = 0.23, size = 96, normalized size = 2.53 \begin {gather*} -\frac {\frac {6\,a\,d+b\,c}{42\,d^2}+\frac {b\,x}{6\,d}}{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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