Integrand size = 32, antiderivative size = 34 \[ \int (d+e x)^3 \left (c d^2+2 c d e x+c e^2 x^2\right )^{3/2} \, dx=\frac {\left (c d^2+2 c d e x+c e^2 x^2\right )^{7/2}}{7 c^2 e} \]
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Time = 0.02 (sec) , antiderivative size = 34, normalized size of antiderivative = 1.00, number of steps used = 2, number of rules used = 2, \(\frac {\text {number of rules}}{\text {integrand size}}\) = 0.062, Rules used = {657, 643} \[ \int (d+e x)^3 \left (c d^2+2 c d e x+c e^2 x^2\right )^{3/2} \, dx=\frac {\left (c d^2+2 c d e x+c e^2 x^2\right )^{7/2}}{7 c^2 e} \]
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Rule 643
Rule 657
Rubi steps \begin{align*} \text {integral}& = \frac {\int (d+e x) \left (c d^2+2 c d e x+c e^2 x^2\right )^{5/2} \, dx}{c} \\ & = \frac {\left (c d^2+2 c d e x+c e^2 x^2\right )^{7/2}}{7 c^2 e} \\ \end{align*}
Time = 0.02 (sec) , antiderivative size = 27, normalized size of antiderivative = 0.79 \[ \int (d+e x)^3 \left (c d^2+2 c d e x+c e^2 x^2\right )^{3/2} \, dx=\frac {(d+e x)^4 \left (c (d+e x)^2\right )^{3/2}}{7 e} \]
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Time = 2.25 (sec) , antiderivative size = 25, normalized size of antiderivative = 0.74
method | result | size |
risch | \(\frac {c \left (e x +d \right )^{6} \sqrt {c \left (e x +d \right )^{2}}}{7 e}\) | \(25\) |
pseudoelliptic | \(\frac {c \left (e x +d \right )^{6} \sqrt {c \left (e x +d \right )^{2}}}{7 e}\) | \(25\) |
default | \(\frac {\left (e x +d \right )^{4} \left (c \,x^{2} e^{2}+2 x c d e +c \,d^{2}\right )^{\frac {3}{2}}}{7 e}\) | \(35\) |
gosper | \(\frac {x \left (e^{6} x^{6}+7 d \,e^{5} x^{5}+21 d^{2} e^{4} x^{4}+35 x^{3} d^{3} e^{3}+35 d^{4} e^{2} x^{2}+21 d^{5} e x +7 d^{6}\right ) \left (c \,x^{2} e^{2}+2 x c d e +c \,d^{2}\right )^{\frac {3}{2}}}{7 \left (e x +d \right )^{3}}\) | \(95\) |
trager | \(\frac {c x \left (e^{6} x^{6}+7 d \,e^{5} x^{5}+21 d^{2} e^{4} x^{4}+35 x^{3} d^{3} e^{3}+35 d^{4} e^{2} x^{2}+21 d^{5} e x +7 d^{6}\right ) \sqrt {c \,x^{2} e^{2}+2 x c d e +c \,d^{2}}}{7 e x +7 d}\) | \(96\) |
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Leaf count of result is larger than twice the leaf count of optimal. 103 vs. \(2 (30) = 60\).
Time = 0.28 (sec) , antiderivative size = 103, normalized size of antiderivative = 3.03 \[ \int (d+e x)^3 \left (c d^2+2 c d e x+c e^2 x^2\right )^{3/2} \, dx=\frac {{\left (c e^{6} x^{7} + 7 \, c d e^{5} x^{6} + 21 \, c d^{2} e^{4} x^{5} + 35 \, c d^{3} e^{3} x^{4} + 35 \, c d^{4} e^{2} x^{3} + 21 \, c d^{5} e x^{2} + 7 \, c d^{6} x\right )} \sqrt {c e^{2} x^{2} + 2 \, c d e x + c d^{2}}}{7 \, {\left (e x + d\right )}} \]
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Leaf count of result is larger than twice the leaf count of optimal. 277 vs. \(2 (31) = 62\).
Time = 0.29 (sec) , antiderivative size = 277, normalized size of antiderivative = 8.15 \[ \int (d+e x)^3 \left (c d^2+2 c d e x+c e^2 x^2\right )^{3/2} \, dx=\begin {cases} \frac {c d^{6} \sqrt {c d^{2} + 2 c d e x + c e^{2} x^{2}}}{7 e} + \frac {6 c d^{5} x \sqrt {c d^{2} + 2 c d e x + c e^{2} x^{2}}}{7} + \frac {15 c d^{4} e x^{2} \sqrt {c d^{2} + 2 c d e x + c e^{2} x^{2}}}{7} + \frac {20 c d^{3} e^{2} x^{3} \sqrt {c d^{2} + 2 c d e x + c e^{2} x^{2}}}{7} + \frac {15 c d^{2} e^{3} x^{4} \sqrt {c d^{2} + 2 c d e x + c e^{2} x^{2}}}{7} + \frac {6 c d e^{4} x^{5} \sqrt {c d^{2} + 2 c d e x + c e^{2} x^{2}}}{7} + \frac {c e^{5} x^{6} \sqrt {c d^{2} + 2 c d e x + c e^{2} x^{2}}}{7} & \text {for}\: e \neq 0 \\d^{3} x \left (c d^{2}\right )^{\frac {3}{2}} & \text {otherwise} \end {cases} \]
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Exception generated. \[ \int (d+e x)^3 \left (c d^2+2 c d e x+c e^2 x^2\right )^{3/2} \, dx=\text {Exception raised: ValueError} \]
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Leaf count of result is larger than twice the leaf count of optimal. 133 vs. \(2 (30) = 60\).
Time = 0.28 (sec) , antiderivative size = 133, normalized size of antiderivative = 3.91 \[ \int (d+e x)^3 \left (c d^2+2 c d e x+c e^2 x^2\right )^{3/2} \, dx=\frac {1}{7} \, {\left (c e^{6} x^{7} \mathrm {sgn}\left (e x + d\right ) + 7 \, c d e^{5} x^{6} \mathrm {sgn}\left (e x + d\right ) + 21 \, c d^{2} e^{4} x^{5} \mathrm {sgn}\left (e x + d\right ) + 35 \, c d^{3} e^{3} x^{4} \mathrm {sgn}\left (e x + d\right ) + 35 \, c d^{4} e^{2} x^{3} \mathrm {sgn}\left (e x + d\right ) + 21 \, c d^{5} e x^{2} \mathrm {sgn}\left (e x + d\right ) + 7 \, c d^{6} x \mathrm {sgn}\left (e x + d\right ) + \frac {c d^{7} \mathrm {sgn}\left (e x + d\right )}{e}\right )} \sqrt {c} \]
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Timed out. \[ \int (d+e x)^3 \left (c d^2+2 c d e x+c e^2 x^2\right )^{3/2} \, dx=\int {\left (d+e\,x\right )}^3\,{\left (c\,d^2+2\,c\,d\,e\,x+c\,e^2\,x^2\right )}^{3/2} \,d x \]
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