Integrand size = 19, antiderivative size = 12 \[ \int \frac {1}{\sqrt {2+2 a-2 (1+a)+c x^4}} \, dx=-\frac {x}{\sqrt {c x^4}} \]
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Time = 0.00 (sec) , antiderivative size = 12, normalized size of antiderivative = 1.00, number of steps used = 3, number of rules used = 3, \(\frac {\text {number of rules}}{\text {integrand size}}\) = 0.158, Rules used = {1, 15, 30} \[ \int \frac {1}{\sqrt {2+2 a-2 (1+a)+c x^4}} \, dx=-\frac {x}{\sqrt {c x^4}} \]
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Rule 1
Rule 15
Rule 30
Rubi steps \begin{align*} \text {integral}& = \int \frac {1}{\sqrt {c x^4}} \, dx \\ & = \frac {x^2 \int \frac {1}{x^2} \, dx}{\sqrt {c x^4}} \\ & = -\frac {x}{\sqrt {c x^4}} \\ \end{align*}
Time = 0.00 (sec) , antiderivative size = 12, normalized size of antiderivative = 1.00 \[ \int \frac {1}{\sqrt {2+2 a-2 (1+a)+c x^4}} \, dx=-\frac {x}{\sqrt {c x^4}} \]
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Time = 0.04 (sec) , antiderivative size = 11, normalized size of antiderivative = 0.92
method | result | size |
gosper | \(-\frac {x}{\sqrt {c \,x^{4}}}\) | \(11\) |
default | \(-\frac {x}{\sqrt {c \,x^{4}}}\) | \(11\) |
risch | \(-\frac {x}{\sqrt {c \,x^{4}}}\) | \(11\) |
trager | \(\frac {\left (x -1\right ) \sqrt {c \,x^{4}}}{c \,x^{3}}\) | \(18\) |
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none
Time = 0.25 (sec) , antiderivative size = 15, normalized size of antiderivative = 1.25 \[ \int \frac {1}{\sqrt {2+2 a-2 (1+a)+c x^4}} \, dx=-\frac {\sqrt {c x^{4}}}{c x^{3}} \]
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Time = 0.18 (sec) , antiderivative size = 10, normalized size of antiderivative = 0.83 \[ \int \frac {1}{\sqrt {2+2 a-2 (1+a)+c x^4}} \, dx=- \frac {x}{\sqrt {c x^{4}}} \]
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none
Time = 0.18 (sec) , antiderivative size = 10, normalized size of antiderivative = 0.83 \[ \int \frac {1}{\sqrt {2+2 a-2 (1+a)+c x^4}} \, dx=-\frac {x}{\sqrt {c x^{4}}} \]
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none
Time = 0.27 (sec) , antiderivative size = 8, normalized size of antiderivative = 0.67 \[ \int \frac {1}{\sqrt {2+2 a-2 (1+a)+c x^4}} \, dx=-\frac {1}{\sqrt {c} x} \]
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Time = 12.86 (sec) , antiderivative size = 13, normalized size of antiderivative = 1.08 \[ \int \frac {1}{\sqrt {2+2 a-2 (1+a)+c x^4}} \, dx=-\frac {\sqrt {x^4}}{\sqrt {c}\,x^3} \]
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