Integrand size = 29, antiderivative size = 36 \[ \int \frac {\sqrt {d+e x}}{\sqrt {c d^2-c e^2 x^2}} \, dx=-\frac {2 \sqrt {c d^2-c e^2 x^2}}{c e \sqrt {d+e x}} \]
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Time = 0.01 (sec) , antiderivative size = 36, normalized size of antiderivative = 1.00, number of steps used = 1, number of rules used = 1, \(\frac {\text {number of rules}}{\text {integrand size}}\) = 0.034, Rules used = {663} \[ \int \frac {\sqrt {d+e x}}{\sqrt {c d^2-c e^2 x^2}} \, dx=-\frac {2 \sqrt {c d^2-c e^2 x^2}}{c e \sqrt {d+e x}} \]
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Rule 663
Rubi steps \begin{align*} \text {integral}& = -\frac {2 \sqrt {c d^2-c e^2 x^2}}{c e \sqrt {d+e x}} \\ \end{align*}
Time = 0.13 (sec) , antiderivative size = 35, normalized size of antiderivative = 0.97 \[ \int \frac {\sqrt {d+e x}}{\sqrt {c d^2-c e^2 x^2}} \, dx=-\frac {2 \sqrt {c \left (d^2-e^2 x^2\right )}}{c e \sqrt {d+e x}} \]
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Time = 2.28 (sec) , antiderivative size = 32, normalized size of antiderivative = 0.89
method | result | size |
default | \(-\frac {2 \sqrt {c \left (-x^{2} e^{2}+d^{2}\right )}}{\sqrt {e x +d}\, c e}\) | \(32\) |
gosper | \(-\frac {2 \left (-e x +d \right ) \sqrt {e x +d}}{e \sqrt {-c \,x^{2} e^{2}+c \,d^{2}}}\) | \(36\) |
risch | \(-\frac {2 \sqrt {-\frac {c \left (x^{2} e^{2}-d^{2}\right )}{e x +d}}\, \sqrt {e x +d}\, \left (-e x +d \right )}{\sqrt {-c \left (x^{2} e^{2}-d^{2}\right )}\, e \sqrt {-c \left (e x -d \right )}}\) | \(74\) |
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Time = 0.27 (sec) , antiderivative size = 39, normalized size of antiderivative = 1.08 \[ \int \frac {\sqrt {d+e x}}{\sqrt {c d^2-c e^2 x^2}} \, dx=-\frac {2 \, \sqrt {-c e^{2} x^{2} + c d^{2}} \sqrt {e x + d}}{c e^{2} x + c d e} \]
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\[ \int \frac {\sqrt {d+e x}}{\sqrt {c d^2-c e^2 x^2}} \, dx=\int \frac {\sqrt {d + e x}}{\sqrt {- c \left (- d + e x\right ) \left (d + e x\right )}}\, dx \]
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Time = 0.23 (sec) , antiderivative size = 29, normalized size of antiderivative = 0.81 \[ \int \frac {\sqrt {d+e x}}{\sqrt {c d^2-c e^2 x^2}} \, dx=\frac {2 \, {\left (\sqrt {c} e x - \sqrt {c} d\right )}}{\sqrt {-e x + d} c e} \]
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Time = 0.28 (sec) , antiderivative size = 38, normalized size of antiderivative = 1.06 \[ \int \frac {\sqrt {d+e x}}{\sqrt {c d^2-c e^2 x^2}} \, dx=\frac {2 \, {\left (\frac {\sqrt {2} \sqrt {c d}}{c} - \frac {\sqrt {-{\left (e x + d\right )} c + 2 \, c d}}{c}\right )}}{e} \]
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Time = 9.92 (sec) , antiderivative size = 32, normalized size of antiderivative = 0.89 \[ \int \frac {\sqrt {d+e x}}{\sqrt {c d^2-c e^2 x^2}} \, dx=-\frac {2\,\sqrt {c\,d^2-c\,e^2\,x^2}}{c\,e\,\sqrt {d+e\,x}} \]
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