Integrand size = 17, antiderivative size = 34 \[ \int \sqrt {a+b \sqrt {c x^2}} \, dx=\frac {2 x \left (a+b \sqrt {c x^2}\right )^{3/2}}{3 b \sqrt {c x^2}} \]
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Time = 0.01 (sec) , antiderivative size = 34, normalized size of antiderivative = 1.00, number of steps used = 2, number of rules used = 2, \(\frac {\text {number of rules}}{\text {integrand size}}\) = 0.118, Rules used = {260, 32} \[ \int \sqrt {a+b \sqrt {c x^2}} \, dx=\frac {2 x \left (a+b \sqrt {c x^2}\right )^{3/2}}{3 b \sqrt {c x^2}} \]
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Rule 32
Rule 260
Rubi steps \begin{align*} \text {integral}& = \frac {x \text {Subst}\left (\int \sqrt {a+b x} \, dx,x,\sqrt {c x^2}\right )}{\sqrt {c x^2}} \\ & = \frac {2 x \left (a+b \sqrt {c x^2}\right )^{3/2}}{3 b \sqrt {c x^2}} \\ \end{align*}
Time = 1.11 (sec) , antiderivative size = 34, normalized size of antiderivative = 1.00 \[ \int \sqrt {a+b \sqrt {c x^2}} \, dx=\frac {2 x \left (a+b \sqrt {c x^2}\right )^{3/2}}{3 b \sqrt {c x^2}} \]
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Time = 3.93 (sec) , antiderivative size = 27, normalized size of antiderivative = 0.79
method | result | size |
default | \(\frac {2 x \left (a +b \sqrt {c \,x^{2}}\right )^{\frac {3}{2}}}{3 b \sqrt {c \,x^{2}}}\) | \(27\) |
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none
Time = 0.25 (sec) , antiderivative size = 40, normalized size of antiderivative = 1.18 \[ \int \sqrt {a+b \sqrt {c x^2}} \, dx=\frac {2 \, {\left (b c x^{2} + \sqrt {c x^{2}} a\right )} \sqrt {\sqrt {c x^{2}} b + a}}{3 \, b c x} \]
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\[ \int \sqrt {a+b \sqrt {c x^2}} \, dx=\int \sqrt {a + b \sqrt {c x^{2}}}\, dx \]
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none
Time = 0.24 (sec) , antiderivative size = 42, normalized size of antiderivative = 1.24 \[ \int \sqrt {a+b \sqrt {c x^2}} \, dx=\frac {{\left ({\left (c^{\frac {3}{2}} + c\right )} b x + a {\left (c + \sqrt {c}\right )}\right )} \sqrt {b \sqrt {c} x + a}}{{\left (c^{2} + 2 \, c^{\frac {3}{2}} + c\right )} b} \]
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none
Time = 0.28 (sec) , antiderivative size = 18, normalized size of antiderivative = 0.53 \[ \int \sqrt {a+b \sqrt {c x^2}} \, dx=\frac {2 \, {\left (b \sqrt {c} x + a\right )}^{\frac {3}{2}}}{3 \, b \sqrt {c}} \]
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Timed out. \[ \int \sqrt {a+b \sqrt {c x^2}} \, dx=\int \sqrt {a+b\,\sqrt {c\,x^2}} \,d x \]
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