Optimal. Leaf size=68 \[ d x+\frac {e x^2}{2}+\frac {1}{2} f x \sqrt {a+\frac {e^2 x^2}{f^2}}+\frac {a f^2 \tanh ^{-1}\left (\frac {e x}{f \sqrt {a+\frac {e^2 x^2}{f^2}}}\right )}{2 e} \]
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Rubi [A]
time = 0.03, antiderivative size = 68, normalized size of antiderivative = 1.00, number of steps
used = 4, number of rules used = 3, integrand size = 23, \(\frac {\text {number of rules}}{\text {integrand size}}\) = 0.130, Rules used = {201, 223, 212}
\begin {gather*} \frac {1}{2} f x \sqrt {a+\frac {e^2 x^2}{f^2}}+\frac {a f^2 \tanh ^{-1}\left (\frac {e x}{f \sqrt {a+\frac {e^2 x^2}{f^2}}}\right )}{2 e}+d x+\frac {e x^2}{2} \end {gather*}
Antiderivative was successfully verified.
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Rule 201
Rule 212
Rule 223
Rubi steps
\begin {align*} \int \left (d+e x+f \sqrt {a+\frac {e^2 x^2}{f^2}}\right ) \, dx &=d x+\frac {e x^2}{2}+f \int \sqrt {a+\frac {e^2 x^2}{f^2}} \, dx\\ &=d x+\frac {e x^2}{2}+\frac {1}{2} f x \sqrt {a+\frac {e^2 x^2}{f^2}}+\frac {1}{2} (a f) \int \frac {1}{\sqrt {a+\frac {e^2 x^2}{f^2}}} \, dx\\ &=d x+\frac {e x^2}{2}+\frac {1}{2} f x \sqrt {a+\frac {e^2 x^2}{f^2}}+\frac {1}{2} (a f) \text {Subst}\left (\int \frac {1}{1-\frac {e^2 x^2}{f^2}} \, dx,x,\frac {x}{\sqrt {a+\frac {e^2 x^2}{f^2}}}\right )\\ &=d x+\frac {e x^2}{2}+\frac {1}{2} f x \sqrt {a+\frac {e^2 x^2}{f^2}}+\frac {a f^2 \tanh ^{-1}\left (\frac {e x}{f \sqrt {a+\frac {e^2 x^2}{f^2}}}\right )}{2 e}\\ \end {align*}
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Mathematica [A]
time = 0.10, size = 83, normalized size = 1.22 \begin {gather*} d x+\frac {e x^2}{2}+\frac {1}{2} f x \sqrt {a+\frac {e^2 x^2}{f^2}}-\frac {a f \log \left (-\sqrt {\frac {e^2}{f^2}} x+\sqrt {a+\frac {e^2 x^2}{f^2}}\right )}{2 \sqrt {\frac {e^2}{f^2}}} \end {gather*}
Antiderivative was successfully verified.
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Maple [A]
time = 0.24, size = 75, normalized size = 1.10
method | result | size |
default | \(d x +\frac {e \,x^{2}}{2}+\frac {f x \sqrt {a +\frac {e^{2} x^{2}}{f^{2}}}}{2}+\frac {f a \ln \left (\frac {e^{2} x}{f^{2} \sqrt {\frac {e^{2}}{f^{2}}}}+\sqrt {a +\frac {e^{2} x^{2}}{f^{2}}}\right )}{2 \sqrt {\frac {e^{2}}{f^{2}}}}\) | \(75\) |
Verification of antiderivative is not currently implemented for this CAS.
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Maxima [A]
time = 0.28, size = 46, normalized size = 0.68 \begin {gather*} \frac {1}{2} \, x^{2} e + \frac {1}{2} \, {\left (a f \operatorname {arsinh}\left (\frac {x e}{\sqrt {a} f}\right ) e^{\left (-1\right )} + \sqrt {a + \frac {x^{2} e^{2}}{f^{2}}} x\right )} f + d x \end {gather*}
Verification of antiderivative is not currently implemented for this CAS.
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Fricas [A]
time = 0.35, size = 74, normalized size = 1.09 \begin {gather*} -\frac {1}{2} \, {\left (a f^{2} \log \left (-x e + f \sqrt {\frac {a f^{2} + x^{2} e^{2}}{f^{2}}}\right ) - f x \sqrt {\frac {a f^{2} + x^{2} e^{2}}{f^{2}}} e - x^{2} e^{2} - 2 \, d x e\right )} e^{\left (-1\right )} \end {gather*}
Verification of antiderivative is not currently implemented for this CAS.
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Sympy [A]
time = 1.17, size = 54, normalized size = 0.79 \begin {gather*} d x + \frac {e x^{2}}{2} + f \left (\frac {\sqrt {a} x \sqrt {1 + \frac {e^{2} x^{2}}{a f^{2}}}}{2} + \frac {a f \operatorname {asinh}{\left (\frac {e x}{\sqrt {a} f} \right )}}{2 e}\right ) \end {gather*}
Verification of antiderivative is not currently implemented for this CAS.
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Giac [A]
time = 3.31, size = 65, normalized size = 0.96 \begin {gather*} \frac {1}{2} \, x^{2} e + d x - \frac {{\left (a f^{2} e^{\left (-1\right )} \log \left ({\left | -x e + \sqrt {a f^{2} + x^{2} e^{2}} \right |}\right ) - \sqrt {a f^{2} + x^{2} e^{2}} x\right )} {\left | f \right |}}{2 \, f} \end {gather*}
Verification of antiderivative is not currently implemented for this CAS.
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Mupad [B]
time = 3.89, size = 136, normalized size = 2.00 \begin {gather*} \left \{\begin {array}{cl} x\,\left (d+\sqrt {a}\,f\right ) & \text {\ if\ \ }e=0\\ d\,x+\frac {e\,x^2}{2}+\frac {f\,x\,\sqrt {a+\frac {e^2\,x^2}{f^2}}}{2}+\frac {a\,e^2\,\ln \left (x\,\sqrt {\frac {e^2}{f^2}}+\sqrt {a+\frac {e^2\,x^2}{f^2}}\right )}{f\,{\left (\frac {e^2}{f^2}\right )}^{3/2}}-\frac {a\,e^2\,\ln \left (2\,x\,\sqrt {\frac {e^2}{f^2}}+2\,\sqrt {a+\frac {e^2\,x^2}{f^2}}\right )}{2\,f\,{\left (\frac {e^2}{f^2}\right )}^{3/2}} & \text {\ if\ \ }e\neq 0 \end {array}\right . \end {gather*}
Verification of antiderivative is not currently implemented for this CAS.
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