Integrand size = 11, antiderivative size = 19 \[ \int x^3 \left (b x^2\right )^p \, dx=\frac {x^4 \left (b x^2\right )^p}{2 (2+p)} \]
[Out]
Time = 0.00 (sec) , antiderivative size = 19, normalized size of antiderivative = 1.00, number of steps used = 2, number of rules used = 2, \(\frac {\text {number of rules}}{\text {integrand size}}\) = 0.182, Rules used = {15, 30} \[ \int x^3 \left (b x^2\right )^p \, dx=\frac {x^4 \left (b x^2\right )^p}{2 (p+2)} \]
[In]
[Out]
Rule 15
Rule 30
Rubi steps \begin{align*} \text {integral}& = \left (x^{-2 p} \left (b x^2\right )^p\right ) \int x^{3+2 p} \, dx \\ & = \frac {x^4 \left (b x^2\right )^p}{2 (2+p)} \\ \end{align*}
Time = 0.00 (sec) , antiderivative size = 18, normalized size of antiderivative = 0.95 \[ \int x^3 \left (b x^2\right )^p \, dx=\frac {x^4 \left (b x^2\right )^p}{4+2 p} \]
[In]
[Out]
Time = 0.04 (sec) , antiderivative size = 18, normalized size of antiderivative = 0.95
method | result | size |
gosper | \(\frac {\left (b \,x^{2}\right )^{p} x^{4}}{4+2 p}\) | \(18\) |
risch | \(\frac {\left (b \,x^{2}\right )^{p} x^{4}}{4+2 p}\) | \(18\) |
parallelrisch | \(\frac {\left (b \,x^{2}\right )^{p} x^{4}}{4+2 p}\) | \(18\) |
norman | \(\frac {x^{4} {\mathrm e}^{p \ln \left (b \,x^{2}\right )}}{4+2 p}\) | \(20\) |
[In]
[Out]
none
Time = 0.27 (sec) , antiderivative size = 17, normalized size of antiderivative = 0.89 \[ \int x^3 \left (b x^2\right )^p \, dx=\frac {\left (b x^{2}\right )^{p} x^{4}}{2 \, {\left (p + 2\right )}} \]
[In]
[Out]
Time = 0.12 (sec) , antiderivative size = 22, normalized size of antiderivative = 1.16 \[ \int x^3 \left (b x^2\right )^p \, dx=\begin {cases} \frac {x^{4} \left (b x^{2}\right )^{p}}{2 p + 4} & \text {for}\: p \neq -2 \\\frac {\log {\left (x \right )}}{b^{2}} & \text {otherwise} \end {cases} \]
[In]
[Out]
none
Time = 0.21 (sec) , antiderivative size = 18, normalized size of antiderivative = 0.95 \[ \int x^3 \left (b x^2\right )^p \, dx=\frac {b^{p} {\left (x^{2}\right )}^{p} x^{4}}{2 \, {\left (p + 2\right )}} \]
[In]
[Out]
none
Time = 0.28 (sec) , antiderivative size = 17, normalized size of antiderivative = 0.89 \[ \int x^3 \left (b x^2\right )^p \, dx=\frac {\left (b x^{2}\right )^{p} x^{4}}{2 \, {\left (p + 2\right )}} \]
[In]
[Out]
Time = 5.34 (sec) , antiderivative size = 18, normalized size of antiderivative = 0.95 \[ \int x^3 \left (b x^2\right )^p \, dx=\frac {x^4\,{\left (b\,x^2\right )}^p}{2\,\left (p+2\right )} \]
[In]
[Out]