Integrand size = 17, antiderivative size = 87 \[ \int (d+e x) \left (a+c x^2\right )^{3/2} \, dx=\frac {3}{8} a d x \sqrt {a+c x^2}+\frac {1}{4} d x \left (a+c x^2\right )^{3/2}+\frac {e \left (a+c x^2\right )^{5/2}}{5 c}+\frac {3 a^2 d \text {arctanh}\left (\frac {\sqrt {c} x}{\sqrt {a+c x^2}}\right )}{8 \sqrt {c}} \]
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Time = 0.02 (sec) , antiderivative size = 87, normalized size of antiderivative = 1.00, number of steps used = 5, number of rules used = 4, \(\frac {\text {number of rules}}{\text {integrand size}}\) = 0.235, Rules used = {655, 201, 223, 212} \[ \int (d+e x) \left (a+c x^2\right )^{3/2} \, dx=\frac {3 a^2 d \text {arctanh}\left (\frac {\sqrt {c} x}{\sqrt {a+c x^2}}\right )}{8 \sqrt {c}}+\frac {1}{4} d x \left (a+c x^2\right )^{3/2}+\frac {3}{8} a d x \sqrt {a+c x^2}+\frac {e \left (a+c x^2\right )^{5/2}}{5 c} \]
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Rule 201
Rule 212
Rule 223
Rule 655
Rubi steps \begin{align*} \text {integral}& = \frac {e \left (a+c x^2\right )^{5/2}}{5 c}+d \int \left (a+c x^2\right )^{3/2} \, dx \\ & = \frac {1}{4} d x \left (a+c x^2\right )^{3/2}+\frac {e \left (a+c x^2\right )^{5/2}}{5 c}+\frac {1}{4} (3 a d) \int \sqrt {a+c x^2} \, dx \\ & = \frac {3}{8} a d x \sqrt {a+c x^2}+\frac {1}{4} d x \left (a+c x^2\right )^{3/2}+\frac {e \left (a+c x^2\right )^{5/2}}{5 c}+\frac {1}{8} \left (3 a^2 d\right ) \int \frac {1}{\sqrt {a+c x^2}} \, dx \\ & = \frac {3}{8} a d x \sqrt {a+c x^2}+\frac {1}{4} d x \left (a+c x^2\right )^{3/2}+\frac {e \left (a+c x^2\right )^{5/2}}{5 c}+\frac {1}{8} \left (3 a^2 d\right ) \text {Subst}\left (\int \frac {1}{1-c x^2} \, dx,x,\frac {x}{\sqrt {a+c x^2}}\right ) \\ & = \frac {3}{8} a d x \sqrt {a+c x^2}+\frac {1}{4} d x \left (a+c x^2\right )^{3/2}+\frac {e \left (a+c x^2\right )^{5/2}}{5 c}+\frac {3 a^2 d \tanh ^{-1}\left (\frac {\sqrt {c} x}{\sqrt {a+c x^2}}\right )}{8 \sqrt {c}} \\ \end{align*}
Time = 0.36 (sec) , antiderivative size = 87, normalized size of antiderivative = 1.00 \[ \int (d+e x) \left (a+c x^2\right )^{3/2} \, dx=\frac {\sqrt {a+c x^2} \left (8 a^2 e+2 c^2 x^3 (5 d+4 e x)+a c x (25 d+16 e x)\right )-15 a^2 \sqrt {c} d \log \left (-\sqrt {c} x+\sqrt {a+c x^2}\right )}{40 c} \]
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Time = 2.39 (sec) , antiderivative size = 70, normalized size of antiderivative = 0.80
method | result | size |
default | \(d \left (\frac {x \left (c \,x^{2}+a \right )^{\frac {3}{2}}}{4}+\frac {3 a \left (\frac {x \sqrt {c \,x^{2}+a}}{2}+\frac {a \ln \left (\sqrt {c}\, x +\sqrt {c \,x^{2}+a}\right )}{2 \sqrt {c}}\right )}{4}\right )+\frac {e \left (c \,x^{2}+a \right )^{\frac {5}{2}}}{5 c}\) | \(70\) |
risch | \(\frac {\left (8 c^{2} e \,x^{4}+10 c^{2} d \,x^{3}+16 x^{2} a c e +25 a d x c +8 a^{2} e \right ) \sqrt {c \,x^{2}+a}}{40 c}+\frac {3 a^{2} d \ln \left (\sqrt {c}\, x +\sqrt {c \,x^{2}+a}\right )}{8 \sqrt {c}}\) | \(80\) |
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Time = 0.31 (sec) , antiderivative size = 176, normalized size of antiderivative = 2.02 \[ \int (d+e x) \left (a+c x^2\right )^{3/2} \, dx=\left [\frac {15 \, a^{2} \sqrt {c} d \log \left (-2 \, c x^{2} - 2 \, \sqrt {c x^{2} + a} \sqrt {c} x - a\right ) + 2 \, {\left (8 \, c^{2} e x^{4} + 10 \, c^{2} d x^{3} + 16 \, a c e x^{2} + 25 \, a c d x + 8 \, a^{2} e\right )} \sqrt {c x^{2} + a}}{80 \, c}, -\frac {15 \, a^{2} \sqrt {-c} d \arctan \left (\frac {\sqrt {-c} x}{\sqrt {c x^{2} + a}}\right ) - {\left (8 \, c^{2} e x^{4} + 10 \, c^{2} d x^{3} + 16 \, a c e x^{2} + 25 \, a c d x + 8 \, a^{2} e\right )} \sqrt {c x^{2} + a}}{40 \, c}\right ] \]
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Time = 0.40 (sec) , antiderivative size = 119, normalized size of antiderivative = 1.37 \[ \int (d+e x) \left (a+c x^2\right )^{3/2} \, dx=\begin {cases} \frac {3 a^{2} d \left (\begin {cases} \frac {\log {\left (2 \sqrt {c} \sqrt {a + c x^{2}} + 2 c x \right )}}{\sqrt {c}} & \text {for}\: a \neq 0 \\\frac {x \log {\left (x \right )}}{\sqrt {c x^{2}}} & \text {otherwise} \end {cases}\right )}{8} + \sqrt {a + c x^{2}} \left (\frac {a^{2} e}{5 c} + \frac {5 a d x}{8} + \frac {2 a e x^{2}}{5} + \frac {c d x^{3}}{4} + \frac {c e x^{4}}{5}\right ) & \text {for}\: c \neq 0 \\a^{\frac {3}{2}} \left (d x + \frac {e x^{2}}{2}\right ) & \text {otherwise} \end {cases} \]
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Time = 0.20 (sec) , antiderivative size = 61, normalized size of antiderivative = 0.70 \[ \int (d+e x) \left (a+c x^2\right )^{3/2} \, dx=\frac {1}{4} \, {\left (c x^{2} + a\right )}^{\frac {3}{2}} d x + \frac {3}{8} \, \sqrt {c x^{2} + a} a d x + \frac {3 \, a^{2} d \operatorname {arsinh}\left (\frac {c x}{\sqrt {a c}}\right )}{8 \, \sqrt {c}} + \frac {{\left (c x^{2} + a\right )}^{\frac {5}{2}} e}{5 \, c} \]
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Time = 0.28 (sec) , antiderivative size = 76, normalized size of antiderivative = 0.87 \[ \int (d+e x) \left (a+c x^2\right )^{3/2} \, dx=-\frac {3 \, a^{2} d \log \left ({\left | -\sqrt {c} x + \sqrt {c x^{2} + a} \right |}\right )}{8 \, \sqrt {c}} + \frac {1}{40} \, \sqrt {c x^{2} + a} {\left (\frac {8 \, a^{2} e}{c} + {\left (25 \, a d + 2 \, {\left (8 \, a e + {\left (4 \, c e x + 5 \, c d\right )} x\right )} x\right )} x\right )} \]
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Time = 9.48 (sec) , antiderivative size = 54, normalized size of antiderivative = 0.62 \[ \int (d+e x) \left (a+c x^2\right )^{3/2} \, dx=\frac {e\,{\left (c\,x^2+a\right )}^{5/2}}{5\,c}+\frac {d\,x\,{\left (c\,x^2+a\right )}^{3/2}\,{{}}_2{\mathrm {F}}_1\left (-\frac {3}{2},\frac {1}{2};\ \frac {3}{2};\ -\frac {c\,x^2}{a}\right )}{{\left (\frac {c\,x^2}{a}+1\right )}^{3/2}} \]
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