Integrand size = 32, antiderivative size = 39 \[ \int \frac {(d+e x)^4}{\sqrt {c d^2+2 c d e x+c e^2 x^2}} \, dx=\frac {(d+e x) \left (c d^2+2 c d e x+c e^2 x^2\right )^{3/2}}{4 c^2 e} \]
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Time = 0.02 (sec) , antiderivative size = 39, 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 = {656, 623} \[ \int \frac {(d+e x)^4}{\sqrt {c d^2+2 c d e x+c e^2 x^2}} \, dx=\frac {(d+e x) \left (c d^2+2 c d e x+c e^2 x^2\right )^{3/2}}{4 c^2 e} \]
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Rule 623
Rule 656
Rubi steps \begin{align*} \text {integral}& = \frac {\int \left (c d^2+2 c d e x+c e^2 x^2\right )^{3/2} \, dx}{c^2} \\ & = \frac {(d+e x) \left (c d^2+2 c d e x+c e^2 x^2\right )^{3/2}}{4 c^2 e} \\ \end{align*}
Time = 0.01 (sec) , antiderivative size = 27, normalized size of antiderivative = 0.69 \[ \int \frac {(d+e x)^4}{\sqrt {c d^2+2 c d e x+c e^2 x^2}} \, dx=\frac {(d+e x)^5}{4 e \sqrt {c (d+e x)^2}} \]
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Time = 2.56 (sec) , antiderivative size = 24, normalized size of antiderivative = 0.62
method | result | size |
risch | \(\frac {\left (e x +d \right )^{5}}{4 \sqrt {c \left (e x +d \right )^{2}}\, e}\) | \(24\) |
default | \(\frac {\left (e x +d \right )^{5}}{4 \sqrt {c \,x^{2} e^{2}+2 x c d e +c \,d^{2}}\, e}\) | \(35\) |
gosper | \(\frac {x \left (e^{3} x^{3}+4 d \,e^{2} x^{2}+6 d^{2} e x +4 d^{3}\right ) \left (e x +d \right )}{4 \sqrt {c \,x^{2} e^{2}+2 x c d e +c \,d^{2}}}\) | \(60\) |
trager | \(\frac {x \left (e^{3} x^{3}+4 d \,e^{2} x^{2}+6 d^{2} e x +4 d^{3}\right ) \sqrt {c \,x^{2} e^{2}+2 x c d e +c \,d^{2}}}{4 c \left (e x +d \right )}\) | \(65\) |
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Time = 0.42 (sec) , antiderivative size = 66, normalized size of antiderivative = 1.69 \[ \int \frac {(d+e x)^4}{\sqrt {c d^2+2 c d e x+c e^2 x^2}} \, dx=\frac {{\left (e^{3} x^{4} + 4 \, d e^{2} x^{3} + 6 \, d^{2} e x^{2} + 4 \, d^{3} x\right )} \sqrt {c e^{2} x^{2} + 2 \, c d e x + c d^{2}}}{4 \, {\left (c e x + c d\right )}} \]
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Leaf count of result is larger than twice the leaf count of optimal. 219 vs. \(2 (37) = 74\).
Time = 0.91 (sec) , antiderivative size = 219, normalized size of antiderivative = 5.62 \[ \int \frac {(d+e x)^4}{\sqrt {c d^2+2 c d e x+c e^2 x^2}} \, dx=\begin {cases} \sqrt {c d^{2} + 2 c d e x + c e^{2} x^{2}} \left (\frac {d^{3}}{4 c e} + \frac {3 d^{2} x}{4 c} + \frac {3 d e x^{2}}{4 c} + \frac {e^{2} x^{3}}{4 c}\right ) & \text {for}\: c e^{2} \neq 0 \\\frac {\frac {d^{4} \sqrt {c d^{2} + 2 c d e x}}{16} + \frac {d^{2} \left (c d^{2} + 2 c d e x\right )^{\frac {3}{2}}}{12 c} + \frac {3 \left (c d^{2} + 2 c d e x\right )^{\frac {5}{2}}}{40 c^{2}} + \frac {\left (c d^{2} + 2 c d e x\right )^{\frac {7}{2}}}{28 c^{3} d^{2}} + \frac {\left (c d^{2} + 2 c d e x\right )^{\frac {9}{2}}}{144 c^{4} d^{4}}}{c d e} & \text {for}\: c d e \neq 0 \\\frac {\begin {cases} d^{4} x & \text {for}\: e = 0 \\\frac {\left (d + e x\right )^{5}}{5 e} & \text {otherwise} \end {cases}}{\sqrt {c d^{2}}} & \text {otherwise} \end {cases} \]
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Leaf count of result is larger than twice the leaf count of optimal. 182 vs. \(2 (35) = 70\).
Time = 0.21 (sec) , antiderivative size = 182, normalized size of antiderivative = 4.67 \[ \int \frac {(d+e x)^4}{\sqrt {c d^2+2 c d e x+c e^2 x^2}} \, dx=\frac {3 \, c^{2} d^{4} e^{4} \log \left (x + \frac {d}{e}\right )}{2 \, \left (c e^{2}\right )^{\frac {5}{2}}} - \frac {3 \, c d^{3} e^{3} x}{2 \, \left (c e^{2}\right )^{\frac {3}{2}}} + \frac {3 \, d^{2} e^{2} x^{2}}{4 \, \sqrt {c e^{2}}} - \frac {3}{2} \, d^{4} \sqrt {\frac {1}{c e^{2}}} \log \left (x + \frac {d}{e}\right ) + \frac {\sqrt {c e^{2} x^{2} + 2 \, c d e x + c d^{2}} e^{2} x^{3}}{4 \, c} + \frac {3 \, \sqrt {c e^{2} x^{2} + 2 \, c d e x + c d^{2}} d e x^{2}}{4 \, c} + \frac {5 \, \sqrt {c e^{2} x^{2} + 2 \, c d e x + c d^{2}} d^{3}}{2 \, c e} \]
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Time = 0.29 (sec) , antiderivative size = 57, normalized size of antiderivative = 1.46 \[ \int \frac {(d+e x)^4}{\sqrt {c d^2+2 c d e x+c e^2 x^2}} \, dx=\frac {\sqrt {c} e^{3} x^{4} + 4 \, \sqrt {c} d e^{2} x^{3} + 6 \, \sqrt {c} d^{2} e x^{2} + 4 \, \sqrt {c} d^{3} x}{4 \, c \mathrm {sgn}\left (e x + d\right )} \]
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Timed out. \[ \int \frac {(d+e x)^4}{\sqrt {c d^2+2 c d e x+c e^2 x^2}} \, dx=\int \frac {{\left (d+e\,x\right )}^4}{\sqrt {c\,d^2+2\,c\,d\,e\,x+c\,e^2\,x^2}} \,d x \]
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