Integrand size = 14, antiderivative size = 46 \[ \int \frac {1}{x^2 \left (a+b \sec ^{-1}(c x)\right )} \, dx=-\frac {c \operatorname {CosIntegral}\left (\frac {a}{b}+\sec ^{-1}(c x)\right ) \sin \left (\frac {a}{b}\right )}{b}+\frac {c \cos \left (\frac {a}{b}\right ) \text {Si}\left (\frac {a}{b}+\sec ^{-1}(c x)\right )}{b} \]
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Time = 0.08 (sec) , antiderivative size = 46, normalized size of antiderivative = 1.00, number of steps used = 4, number of rules used = 4, \(\frac {\text {number of rules}}{\text {integrand size}}\) = 0.286, Rules used = {5330, 3384, 3380, 3383} \[ \int \frac {1}{x^2 \left (a+b \sec ^{-1}(c x)\right )} \, dx=\frac {c \cos \left (\frac {a}{b}\right ) \text {Si}\left (\frac {a}{b}+\sec ^{-1}(c x)\right )}{b}-\frac {c \sin \left (\frac {a}{b}\right ) \operatorname {CosIntegral}\left (\frac {a}{b}+\sec ^{-1}(c x)\right )}{b} \]
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Rule 3380
Rule 3383
Rule 3384
Rule 5330
Rubi steps \begin{align*} \text {integral}& = c \text {Subst}\left (\int \frac {\sin (x)}{a+b x} \, dx,x,\sec ^{-1}(c x)\right ) \\ & = \left (c \cos \left (\frac {a}{b}\right )\right ) \text {Subst}\left (\int \frac {\sin \left (\frac {a}{b}+x\right )}{a+b x} \, dx,x,\sec ^{-1}(c x)\right )-\left (c \sin \left (\frac {a}{b}\right )\right ) \text {Subst}\left (\int \frac {\cos \left (\frac {a}{b}+x\right )}{a+b x} \, dx,x,\sec ^{-1}(c x)\right ) \\ & = -\frac {c \operatorname {CosIntegral}\left (\frac {a}{b}+\sec ^{-1}(c x)\right ) \sin \left (\frac {a}{b}\right )}{b}+\frac {c \cos \left (\frac {a}{b}\right ) \text {Si}\left (\frac {a}{b}+\sec ^{-1}(c x)\right )}{b} \\ \end{align*}
Time = 0.07 (sec) , antiderivative size = 43, normalized size of antiderivative = 0.93 \[ \int \frac {1}{x^2 \left (a+b \sec ^{-1}(c x)\right )} \, dx=\frac {c \left (-\operatorname {CosIntegral}\left (\frac {a}{b}+\sec ^{-1}(c x)\right ) \sin \left (\frac {a}{b}\right )+\cos \left (\frac {a}{b}\right ) \text {Si}\left (\frac {a}{b}+\sec ^{-1}(c x)\right )\right )}{b} \]
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Time = 0.45 (sec) , antiderivative size = 47, normalized size of antiderivative = 1.02
method | result | size |
derivativedivides | \(c \left (\frac {\operatorname {Si}\left (\frac {a}{b}+\operatorname {arcsec}\left (c x \right )\right ) \cos \left (\frac {a}{b}\right )}{b}-\frac {\operatorname {Ci}\left (\frac {a}{b}+\operatorname {arcsec}\left (c x \right )\right ) \sin \left (\frac {a}{b}\right )}{b}\right )\) | \(47\) |
default | \(c \left (\frac {\operatorname {Si}\left (\frac {a}{b}+\operatorname {arcsec}\left (c x \right )\right ) \cos \left (\frac {a}{b}\right )}{b}-\frac {\operatorname {Ci}\left (\frac {a}{b}+\operatorname {arcsec}\left (c x \right )\right ) \sin \left (\frac {a}{b}\right )}{b}\right )\) | \(47\) |
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\[ \int \frac {1}{x^2 \left (a+b \sec ^{-1}(c x)\right )} \, dx=\int { \frac {1}{{\left (b \operatorname {arcsec}\left (c x\right ) + a\right )} x^{2}} \,d x } \]
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\[ \int \frac {1}{x^2 \left (a+b \sec ^{-1}(c x)\right )} \, dx=\int \frac {1}{x^{2} \left (a + b \operatorname {asec}{\left (c x \right )}\right )}\, dx \]
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\[ \int \frac {1}{x^2 \left (a+b \sec ^{-1}(c x)\right )} \, dx=\int { \frac {1}{{\left (b \operatorname {arcsec}\left (c x\right ) + a\right )} x^{2}} \,d x } \]
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none
Time = 0.29 (sec) , antiderivative size = 55, normalized size of antiderivative = 1.20 \[ \int \frac {1}{x^2 \left (a+b \sec ^{-1}(c x)\right )} \, dx=-c {\left (\frac {\operatorname {Ci}\left (\frac {a}{b} + \arccos \left (\frac {1}{c x}\right )\right ) \sin \left (\frac {a}{b}\right )}{b} - \frac {\cos \left (\frac {a}{b}\right ) \operatorname {Si}\left (\frac {a}{b} + \arccos \left (\frac {1}{c x}\right )\right )}{b}\right )} \]
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Timed out. \[ \int \frac {1}{x^2 \left (a+b \sec ^{-1}(c x)\right )} \, dx=\int \frac {1}{x^2\,\left (a+b\,\mathrm {acos}\left (\frac {1}{c\,x}\right )\right )} \,d x \]
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