Integrand size = 19, antiderivative size = 87 \[ \int \frac {\left (d+e x^2\right ) \left (a+b \sec ^{-1}(c x)\right )}{x^2} \, dx=\frac {b c d \sqrt {-1+c^2 x^2}}{\sqrt {c^2 x^2}}-\frac {d \left (a+b \sec ^{-1}(c x)\right )}{x}+e x \left (a+b \sec ^{-1}(c x)\right )-\frac {b e x \text {arctanh}\left (\frac {c x}{\sqrt {-1+c^2 x^2}}\right )}{\sqrt {c^2 x^2}} \]
[Out]
Time = 0.05 (sec) , antiderivative size = 87, normalized size of antiderivative = 1.00, number of steps used = 4, number of rules used = 5, \(\frac {\text {number of rules}}{\text {integrand size}}\) = 0.263, Rules used = {14, 5346, 462, 223, 212} \[ \int \frac {\left (d+e x^2\right ) \left (a+b \sec ^{-1}(c x)\right )}{x^2} \, dx=-\frac {d \left (a+b \sec ^{-1}(c x)\right )}{x}+e x \left (a+b \sec ^{-1}(c x)\right )-\frac {b e x \text {arctanh}\left (\frac {c x}{\sqrt {c^2 x^2-1}}\right )}{\sqrt {c^2 x^2}}+\frac {b c d \sqrt {c^2 x^2-1}}{\sqrt {c^2 x^2}} \]
[In]
[Out]
Rule 14
Rule 212
Rule 223
Rule 462
Rule 5346
Rubi steps \begin{align*} \text {integral}& = -\frac {d \left (a+b \sec ^{-1}(c x)\right )}{x}+e x \left (a+b \sec ^{-1}(c x)\right )-\frac {(b c x) \int \frac {-d+e x^2}{x^2 \sqrt {-1+c^2 x^2}} \, dx}{\sqrt {c^2 x^2}} \\ & = \frac {b c d \sqrt {-1+c^2 x^2}}{\sqrt {c^2 x^2}}-\frac {d \left (a+b \sec ^{-1}(c x)\right )}{x}+e x \left (a+b \sec ^{-1}(c x)\right )-\frac {(b c e x) \int \frac {1}{\sqrt {-1+c^2 x^2}} \, dx}{\sqrt {c^2 x^2}} \\ & = \frac {b c d \sqrt {-1+c^2 x^2}}{\sqrt {c^2 x^2}}-\frac {d \left (a+b \sec ^{-1}(c x)\right )}{x}+e x \left (a+b \sec ^{-1}(c x)\right )-\frac {(b c e x) \text {Subst}\left (\int \frac {1}{1-c^2 x^2} \, dx,x,\frac {x}{\sqrt {-1+c^2 x^2}}\right )}{\sqrt {c^2 x^2}} \\ & = \frac {b c d \sqrt {-1+c^2 x^2}}{\sqrt {c^2 x^2}}-\frac {d \left (a+b \sec ^{-1}(c x)\right )}{x}+e x \left (a+b \sec ^{-1}(c x)\right )-\frac {b e x \text {arctanh}\left (\frac {c x}{\sqrt {-1+c^2 x^2}}\right )}{\sqrt {c^2 x^2}} \\ \end{align*}
Time = 0.10 (sec) , antiderivative size = 104, normalized size of antiderivative = 1.20 \[ \int \frac {\left (d+e x^2\right ) \left (a+b \sec ^{-1}(c x)\right )}{x^2} \, dx=-\frac {a d}{x}+a e x+b c d \sqrt {\frac {-1+c^2 x^2}{c^2 x^2}}-\frac {b d \sec ^{-1}(c x)}{x}+b e x \sec ^{-1}(c x)-\frac {b e \sqrt {1-\frac {1}{c^2 x^2}} x \text {arctanh}\left (\frac {c x}{\sqrt {-1+c^2 x^2}}\right )}{\sqrt {-1+c^2 x^2}} \]
[In]
[Out]
Time = 0.33 (sec) , antiderivative size = 116, normalized size of antiderivative = 1.33
method | result | size |
parts | \(a \left (e x -\frac {d}{x}\right )+b c \left (\frac {\operatorname {arcsec}\left (c x \right ) e x}{c}-\frac {\operatorname {arcsec}\left (c x \right ) d}{x c}-\frac {\sqrt {c^{2} x^{2}-1}\, \left (-d \,c^{2} \sqrt {c^{2} x^{2}-1}+e \ln \left (c x +\sqrt {c^{2} x^{2}-1}\right ) c x \right )}{c^{4} x^{2} \sqrt {\frac {c^{2} x^{2}-1}{c^{2} x^{2}}}}\right )\) | \(116\) |
derivativedivides | \(c \left (\frac {a \left (c e x -\frac {d c}{x}\right )}{c^{2}}+\frac {b \left (c \,\operatorname {arcsec}\left (c x \right ) x e -\frac {\operatorname {arcsec}\left (c x \right ) d c}{x}-\frac {\sqrt {c^{2} x^{2}-1}\, \left (-d \,c^{2} \sqrt {c^{2} x^{2}-1}+e \ln \left (c x +\sqrt {c^{2} x^{2}-1}\right ) c x \right )}{c^{2} x^{2} \sqrt {\frac {c^{2} x^{2}-1}{c^{2} x^{2}}}}\right )}{c^{2}}\right )\) | \(121\) |
default | \(c \left (\frac {a \left (c e x -\frac {d c}{x}\right )}{c^{2}}+\frac {b \left (c \,\operatorname {arcsec}\left (c x \right ) x e -\frac {\operatorname {arcsec}\left (c x \right ) d c}{x}-\frac {\sqrt {c^{2} x^{2}-1}\, \left (-d \,c^{2} \sqrt {c^{2} x^{2}-1}+e \ln \left (c x +\sqrt {c^{2} x^{2}-1}\right ) c x \right )}{c^{2} x^{2} \sqrt {\frac {c^{2} x^{2}-1}{c^{2} x^{2}}}}\right )}{c^{2}}\right )\) | \(121\) |
[In]
[Out]
none
Time = 0.30 (sec) , antiderivative size = 123, normalized size of antiderivative = 1.41 \[ \int \frac {\left (d+e x^2\right ) \left (a+b \sec ^{-1}(c x)\right )}{x^2} \, dx=\frac {b c^{2} d x + a c e x^{2} + b e x \log \left (-c x + \sqrt {c^{2} x^{2} - 1}\right ) + \sqrt {c^{2} x^{2} - 1} b c d - a c d - 2 \, {\left (b c d - b c e\right )} x \arctan \left (-c x + \sqrt {c^{2} x^{2} - 1}\right ) + {\left (b c e x^{2} - b c d + {\left (b c d - b c e\right )} x\right )} \operatorname {arcsec}\left (c x\right )}{c x} \]
[In]
[Out]
Time = 2.72 (sec) , antiderivative size = 73, normalized size of antiderivative = 0.84 \[ \int \frac {\left (d+e x^2\right ) \left (a+b \sec ^{-1}(c x)\right )}{x^2} \, dx=- \frac {a d}{x} + a e x + b c d \sqrt {1 - \frac {1}{c^{2} x^{2}}} - \frac {b d \operatorname {asec}{\left (c x \right )}}{x} + b e x \operatorname {asec}{\left (c x \right )} - \frac {b e \left (\begin {cases} \operatorname {acosh}{\left (c x \right )} & \text {for}\: \left |{c^{2} x^{2}}\right | > 1 \\- i \operatorname {asin}{\left (c x \right )} & \text {otherwise} \end {cases}\right )}{c} \]
[In]
[Out]
none
Time = 0.22 (sec) , antiderivative size = 89, normalized size of antiderivative = 1.02 \[ \int \frac {\left (d+e x^2\right ) \left (a+b \sec ^{-1}(c x)\right )}{x^2} \, dx={\left (c \sqrt {-\frac {1}{c^{2} x^{2}} + 1} - \frac {\operatorname {arcsec}\left (c x\right )}{x}\right )} b d + a e x + \frac {{\left (2 \, c x \operatorname {arcsec}\left (c x\right ) - \log \left (\sqrt {-\frac {1}{c^{2} x^{2}} + 1} + 1\right ) + \log \left (-\sqrt {-\frac {1}{c^{2} x^{2}} + 1} + 1\right )\right )} b e}{2 \, c} - \frac {a d}{x} \]
[In]
[Out]
Leaf count of result is larger than twice the leaf count of optimal. 1088 vs. \(2 (79) = 158\).
Time = 0.63 (sec) , antiderivative size = 1088, normalized size of antiderivative = 12.51 \[ \int \frac {\left (d+e x^2\right ) \left (a+b \sec ^{-1}(c x)\right )}{x^2} \, dx=\text {Too large to display} \]
[In]
[Out]
Time = 0.95 (sec) , antiderivative size = 72, normalized size of antiderivative = 0.83 \[ \int \frac {\left (d+e x^2\right ) \left (a+b \sec ^{-1}(c x)\right )}{x^2} \, dx=a\,e\,x-\frac {d\,\left (a+b\,\mathrm {acos}\left (\frac {1}{c\,x}\right )-b\,c\,x\,\sqrt {1-\frac {1}{c^2\,x^2}}\right )}{x}-\frac {b\,e\,\mathrm {atanh}\left (\frac {1}{\sqrt {1-\frac {1}{c^2\,x^2}}}\right )}{c}+b\,e\,x\,\mathrm {acos}\left (\frac {1}{c\,x}\right ) \]
[In]
[Out]