Integrand size = 26, antiderivative size = 138 \[ \int \frac {x (a+b \text {arcsinh}(c x))^2}{\sqrt {d+c^2 d x^2}} \, dx=-\frac {2 a b x \sqrt {1+c^2 x^2}}{c \sqrt {d+c^2 d x^2}}+\frac {2 b^2 \left (1+c^2 x^2\right )}{c^2 \sqrt {d+c^2 d x^2}}-\frac {2 b^2 x \sqrt {1+c^2 x^2} \text {arcsinh}(c x)}{c \sqrt {d+c^2 d x^2}}+\frac {\sqrt {d+c^2 d x^2} (a+b \text {arcsinh}(c x))^2}{c^2 d} \]
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Time = 0.09 (sec) , antiderivative size = 138, normalized size of antiderivative = 1.00, number of steps used = 4, number of rules used = 3, \(\frac {\text {number of rules}}{\text {integrand size}}\) = 0.115, Rules used = {5798, 5772, 267} \[ \int \frac {x (a+b \text {arcsinh}(c x))^2}{\sqrt {d+c^2 d x^2}} \, dx=\frac {\sqrt {c^2 d x^2+d} (a+b \text {arcsinh}(c x))^2}{c^2 d}-\frac {2 a b x \sqrt {c^2 x^2+1}}{c \sqrt {c^2 d x^2+d}}-\frac {2 b^2 x \sqrt {c^2 x^2+1} \text {arcsinh}(c x)}{c \sqrt {c^2 d x^2+d}}+\frac {2 b^2 \left (c^2 x^2+1\right )}{c^2 \sqrt {c^2 d x^2+d}} \]
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Rule 267
Rule 5772
Rule 5798
Rubi steps \begin{align*} \text {integral}& = \frac {\sqrt {d+c^2 d x^2} (a+b \text {arcsinh}(c x))^2}{c^2 d}-\frac {\left (2 b \sqrt {1+c^2 x^2}\right ) \int (a+b \text {arcsinh}(c x)) \, dx}{c \sqrt {d+c^2 d x^2}} \\ & = -\frac {2 a b x \sqrt {1+c^2 x^2}}{c \sqrt {d+c^2 d x^2}}+\frac {\sqrt {d+c^2 d x^2} (a+b \text {arcsinh}(c x))^2}{c^2 d}-\frac {\left (2 b^2 \sqrt {1+c^2 x^2}\right ) \int \text {arcsinh}(c x) \, dx}{c \sqrt {d+c^2 d x^2}} \\ & = -\frac {2 a b x \sqrt {1+c^2 x^2}}{c \sqrt {d+c^2 d x^2}}-\frac {2 b^2 x \sqrt {1+c^2 x^2} \text {arcsinh}(c x)}{c \sqrt {d+c^2 d x^2}}+\frac {\sqrt {d+c^2 d x^2} (a+b \text {arcsinh}(c x))^2}{c^2 d}+\frac {\left (2 b^2 \sqrt {1+c^2 x^2}\right ) \int \frac {x}{\sqrt {1+c^2 x^2}} \, dx}{\sqrt {d+c^2 d x^2}} \\ & = -\frac {2 a b x \sqrt {1+c^2 x^2}}{c \sqrt {d+c^2 d x^2}}+\frac {2 b^2 \left (1+c^2 x^2\right )}{c^2 \sqrt {d+c^2 d x^2}}-\frac {2 b^2 x \sqrt {1+c^2 x^2} \text {arcsinh}(c x)}{c \sqrt {d+c^2 d x^2}}+\frac {\sqrt {d+c^2 d x^2} (a+b \text {arcsinh}(c x))^2}{c^2 d} \\ \end{align*}
Time = 0.57 (sec) , antiderivative size = 127, normalized size of antiderivative = 0.92 \[ \int \frac {x (a+b \text {arcsinh}(c x))^2}{\sqrt {d+c^2 d x^2}} \, dx=\frac {\sqrt {d+c^2 d x^2} \left (-2 a b c x+a^2 \sqrt {1+c^2 x^2}+2 b^2 \sqrt {1+c^2 x^2}-2 b \left (b c x-a \sqrt {1+c^2 x^2}\right ) \text {arcsinh}(c x)+b^2 \sqrt {1+c^2 x^2} \text {arcsinh}(c x)^2\right )}{c^2 d \sqrt {1+c^2 x^2}} \]
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Leaf count of result is larger than twice the leaf count of optimal. \(295\) vs. \(2(126)=252\).
Time = 0.24 (sec) , antiderivative size = 296, normalized size of antiderivative = 2.14
method | result | size |
default | \(\frac {a^{2} \sqrt {c^{2} d \,x^{2}+d}}{c^{2} d}+b^{2} \left (\frac {\sqrt {d \left (c^{2} x^{2}+1\right )}\, \left (c^{2} x^{2}+c x \sqrt {c^{2} x^{2}+1}+1\right ) \left (\operatorname {arcsinh}\left (c x \right )^{2}-2 \,\operatorname {arcsinh}\left (c x \right )+2\right )}{2 c^{2} d \left (c^{2} x^{2}+1\right )}+\frac {\sqrt {d \left (c^{2} x^{2}+1\right )}\, \left (c^{2} x^{2}-c x \sqrt {c^{2} x^{2}+1}+1\right ) \left (\operatorname {arcsinh}\left (c x \right )^{2}+2 \,\operatorname {arcsinh}\left (c x \right )+2\right )}{2 c^{2} d \left (c^{2} x^{2}+1\right )}\right )+2 a b \left (\frac {\sqrt {d \left (c^{2} x^{2}+1\right )}\, \left (c^{2} x^{2}+c x \sqrt {c^{2} x^{2}+1}+1\right ) \left (-1+\operatorname {arcsinh}\left (c x \right )\right )}{2 c^{2} d \left (c^{2} x^{2}+1\right )}+\frac {\sqrt {d \left (c^{2} x^{2}+1\right )}\, \left (c^{2} x^{2}-c x \sqrt {c^{2} x^{2}+1}+1\right ) \left (\operatorname {arcsinh}\left (c x \right )+1\right )}{2 c^{2} d \left (c^{2} x^{2}+1\right )}\right )\) | \(296\) |
parts | \(\frac {a^{2} \sqrt {c^{2} d \,x^{2}+d}}{c^{2} d}+b^{2} \left (\frac {\sqrt {d \left (c^{2} x^{2}+1\right )}\, \left (c^{2} x^{2}+c x \sqrt {c^{2} x^{2}+1}+1\right ) \left (\operatorname {arcsinh}\left (c x \right )^{2}-2 \,\operatorname {arcsinh}\left (c x \right )+2\right )}{2 c^{2} d \left (c^{2} x^{2}+1\right )}+\frac {\sqrt {d \left (c^{2} x^{2}+1\right )}\, \left (c^{2} x^{2}-c x \sqrt {c^{2} x^{2}+1}+1\right ) \left (\operatorname {arcsinh}\left (c x \right )^{2}+2 \,\operatorname {arcsinh}\left (c x \right )+2\right )}{2 c^{2} d \left (c^{2} x^{2}+1\right )}\right )+2 a b \left (\frac {\sqrt {d \left (c^{2} x^{2}+1\right )}\, \left (c^{2} x^{2}+c x \sqrt {c^{2} x^{2}+1}+1\right ) \left (-1+\operatorname {arcsinh}\left (c x \right )\right )}{2 c^{2} d \left (c^{2} x^{2}+1\right )}+\frac {\sqrt {d \left (c^{2} x^{2}+1\right )}\, \left (c^{2} x^{2}-c x \sqrt {c^{2} x^{2}+1}+1\right ) \left (\operatorname {arcsinh}\left (c x \right )+1\right )}{2 c^{2} d \left (c^{2} x^{2}+1\right )}\right )\) | \(296\) |
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Time = 0.28 (sec) , antiderivative size = 179, normalized size of antiderivative = 1.30 \[ \int \frac {x (a+b \text {arcsinh}(c x))^2}{\sqrt {d+c^2 d x^2}} \, dx=\frac {{\left (b^{2} c^{2} x^{2} + b^{2}\right )} \sqrt {c^{2} d x^{2} + d} \log \left (c x + \sqrt {c^{2} x^{2} + 1}\right )^{2} + 2 \, {\left (a b c^{2} x^{2} - \sqrt {c^{2} x^{2} + 1} b^{2} c x + a b\right )} \sqrt {c^{2} d x^{2} + d} \log \left (c x + \sqrt {c^{2} x^{2} + 1}\right ) + {\left ({\left (a^{2} + 2 \, b^{2}\right )} c^{2} x^{2} - 2 \, \sqrt {c^{2} x^{2} + 1} a b c x + a^{2} + 2 \, b^{2}\right )} \sqrt {c^{2} d x^{2} + d}}{c^{4} d x^{2} + c^{2} d} \]
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\[ \int \frac {x (a+b \text {arcsinh}(c x))^2}{\sqrt {d+c^2 d x^2}} \, dx=\int \frac {x \left (a + b \operatorname {asinh}{\left (c x \right )}\right )^{2}}{\sqrt {d \left (c^{2} x^{2} + 1\right )}}\, dx \]
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Time = 0.20 (sec) , antiderivative size = 125, normalized size of antiderivative = 0.91 \[ \int \frac {x (a+b \text {arcsinh}(c x))^2}{\sqrt {d+c^2 d x^2}} \, dx=-2 \, b^{2} {\left (\frac {x \operatorname {arsinh}\left (c x\right )}{c \sqrt {d}} - \frac {\sqrt {c^{2} x^{2} + 1}}{c^{2} \sqrt {d}}\right )} - \frac {2 \, a b x}{c \sqrt {d}} + \frac {\sqrt {c^{2} d x^{2} + d} b^{2} \operatorname {arsinh}\left (c x\right )^{2}}{c^{2} d} + \frac {2 \, \sqrt {c^{2} d x^{2} + d} a b \operatorname {arsinh}\left (c x\right )}{c^{2} d} + \frac {\sqrt {c^{2} d x^{2} + d} a^{2}}{c^{2} d} \]
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\[ \int \frac {x (a+b \text {arcsinh}(c x))^2}{\sqrt {d+c^2 d x^2}} \, dx=\int { \frac {{\left (b \operatorname {arsinh}\left (c x\right ) + a\right )}^{2} x}{\sqrt {c^{2} d x^{2} + d}} \,d x } \]
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Timed out. \[ \int \frac {x (a+b \text {arcsinh}(c x))^2}{\sqrt {d+c^2 d x^2}} \, dx=\int \frac {x\,{\left (a+b\,\mathrm {asinh}\left (c\,x\right )\right )}^2}{\sqrt {d\,c^2\,x^2+d}} \,d x \]
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