Integrand size = 10, antiderivative size = 29 \[ \int \frac {x^3}{\arccos (a x)} \, dx=-\frac {\text {Si}(2 \arccos (a x))}{4 a^4}-\frac {\text {Si}(4 \arccos (a x))}{8 a^4} \]
[Out]
Time = 0.06 (sec) , antiderivative size = 29, normalized size of antiderivative = 1.00, number of steps used = 5, number of rules used = 3, \(\frac {\text {number of rules}}{\text {integrand size}}\) = 0.300, Rules used = {4732, 4491, 3380} \[ \int \frac {x^3}{\arccos (a x)} \, dx=-\frac {\text {Si}(2 \arccos (a x))}{4 a^4}-\frac {\text {Si}(4 \arccos (a x))}{8 a^4} \]
[In]
[Out]
Rule 3380
Rule 4491
Rule 4732
Rubi steps \begin{align*} \text {integral}& = -\frac {\text {Subst}\left (\int \frac {\cos ^3(x) \sin (x)}{x} \, dx,x,\arccos (a x)\right )}{a^4} \\ & = -\frac {\text {Subst}\left (\int \left (\frac {\sin (2 x)}{4 x}+\frac {\sin (4 x)}{8 x}\right ) \, dx,x,\arccos (a x)\right )}{a^4} \\ & = -\frac {\text {Subst}\left (\int \frac {\sin (4 x)}{x} \, dx,x,\arccos (a x)\right )}{8 a^4}-\frac {\text {Subst}\left (\int \frac {\sin (2 x)}{x} \, dx,x,\arccos (a x)\right )}{4 a^4} \\ & = -\frac {\text {Si}(2 \arccos (a x))}{4 a^4}-\frac {\text {Si}(4 \arccos (a x))}{8 a^4} \\ \end{align*}
Time = 0.06 (sec) , antiderivative size = 24, normalized size of antiderivative = 0.83 \[ \int \frac {x^3}{\arccos (a x)} \, dx=-\frac {2 \text {Si}(2 \arccos (a x))+\text {Si}(4 \arccos (a x))}{8 a^4} \]
[In]
[Out]
Time = 0.66 (sec) , antiderivative size = 24, normalized size of antiderivative = 0.83
method | result | size |
derivativedivides | \(\frac {-\frac {\operatorname {Si}\left (2 \arccos \left (a x \right )\right )}{4}-\frac {\operatorname {Si}\left (4 \arccos \left (a x \right )\right )}{8}}{a^{4}}\) | \(24\) |
default | \(\frac {-\frac {\operatorname {Si}\left (2 \arccos \left (a x \right )\right )}{4}-\frac {\operatorname {Si}\left (4 \arccos \left (a x \right )\right )}{8}}{a^{4}}\) | \(24\) |
[In]
[Out]
\[ \int \frac {x^3}{\arccos (a x)} \, dx=\int { \frac {x^{3}}{\arccos \left (a x\right )} \,d x } \]
[In]
[Out]
\[ \int \frac {x^3}{\arccos (a x)} \, dx=\int \frac {x^{3}}{\operatorname {acos}{\left (a x \right )}}\, dx \]
[In]
[Out]
\[ \int \frac {x^3}{\arccos (a x)} \, dx=\int { \frac {x^{3}}{\arccos \left (a x\right )} \,d x } \]
[In]
[Out]
none
Time = 0.28 (sec) , antiderivative size = 25, normalized size of antiderivative = 0.86 \[ \int \frac {x^3}{\arccos (a x)} \, dx=-\frac {\operatorname {Si}\left (4 \, \arccos \left (a x\right )\right )}{8 \, a^{4}} - \frac {\operatorname {Si}\left (2 \, \arccos \left (a x\right )\right )}{4 \, a^{4}} \]
[In]
[Out]
Timed out. \[ \int \frac {x^3}{\arccos (a x)} \, dx=\int \frac {x^3}{\mathrm {acos}\left (a\,x\right )} \,d x \]
[In]
[Out]