Integrand size = 21, antiderivative size = 16 \[ \int \frac {x \left (a c+b c x^2\right )}{\left (a+b x^2\right )^2} \, dx=\frac {c \log \left (a+b x^2\right )}{2 b} \]
[Out]
Time = 0.00 (sec) , antiderivative size = 16, normalized size of antiderivative = 1.00, number of steps used = 2, number of rules used = 2, \(\frac {\text {number of rules}}{\text {integrand size}}\) = 0.095, Rules used = {21, 266} \[ \int \frac {x \left (a c+b c x^2\right )}{\left (a+b x^2\right )^2} \, dx=\frac {c \log \left (a+b x^2\right )}{2 b} \]
[In]
[Out]
Rule 21
Rule 266
Rubi steps \begin{align*} \text {integral}& = c \int \frac {x}{a+b x^2} \, dx \\ & = \frac {c \log \left (a+b x^2\right )}{2 b} \\ \end{align*}
Time = 0.00 (sec) , antiderivative size = 16, normalized size of antiderivative = 1.00 \[ \int \frac {x \left (a c+b c x^2\right )}{\left (a+b x^2\right )^2} \, dx=\frac {c \log \left (a+b x^2\right )}{2 b} \]
[In]
[Out]
Time = 2.52 (sec) , antiderivative size = 15, normalized size of antiderivative = 0.94
method | result | size |
default | \(\frac {c \ln \left (b \,x^{2}+a \right )}{2 b}\) | \(15\) |
norman | \(\frac {c \ln \left (b \,x^{2}+a \right )}{2 b}\) | \(15\) |
risch | \(\frac {c \ln \left (b \,x^{2}+a \right )}{2 b}\) | \(15\) |
parallelrisch | \(\frac {c \ln \left (b \,x^{2}+a \right )}{2 b}\) | \(15\) |
[In]
[Out]
none
Time = 0.32 (sec) , antiderivative size = 14, normalized size of antiderivative = 0.88 \[ \int \frac {x \left (a c+b c x^2\right )}{\left (a+b x^2\right )^2} \, dx=\frac {c \log \left (b x^{2} + a\right )}{2 \, b} \]
[In]
[Out]
Time = 0.05 (sec) , antiderivative size = 12, normalized size of antiderivative = 0.75 \[ \int \frac {x \left (a c+b c x^2\right )}{\left (a+b x^2\right )^2} \, dx=\frac {c \log {\left (a + b x^{2} \right )}}{2 b} \]
[In]
[Out]
none
Time = 0.18 (sec) , antiderivative size = 14, normalized size of antiderivative = 0.88 \[ \int \frac {x \left (a c+b c x^2\right )}{\left (a+b x^2\right )^2} \, dx=\frac {c \log \left (b x^{2} + a\right )}{2 \, b} \]
[In]
[Out]
Leaf count of result is larger than twice the leaf count of optimal. 63 vs. \(2 (14) = 28\).
Time = 0.28 (sec) , antiderivative size = 63, normalized size of antiderivative = 3.94 \[ \int \frac {x \left (a c+b c x^2\right )}{\left (a+b x^2\right )^2} \, dx=-\frac {1}{2} \, c {\left (\frac {\log \left (\frac {{\left | b x^{2} + a \right |}}{{\left (b x^{2} + a\right )}^{2} {\left | b \right |}}\right )}{b} - \frac {a}{{\left (b x^{2} + a\right )} b}\right )} - \frac {a c}{2 \, {\left (b x^{2} + a\right )} b} \]
[In]
[Out]
Time = 5.18 (sec) , antiderivative size = 14, normalized size of antiderivative = 0.88 \[ \int \frac {x \left (a c+b c x^2\right )}{\left (a+b x^2\right )^2} \, dx=\frac {c\,\ln \left (b\,x^2+a\right )}{2\,b} \]
[In]
[Out]