Integrand size = 27, antiderivative size = 99 \[ \int (c x)^{-1-\frac {j}{2}} \sqrt {a x^j+b x^n} \, dx=-\frac {2 (c x)^{-j/2} \sqrt {a x^j+b x^n}}{c (j-n)}+\frac {2 \sqrt {a} x^{j/2} (c x)^{-j/2} \text {arctanh}\left (\frac {\sqrt {a} x^{j/2}}{\sqrt {a x^j+b x^n}}\right )}{c (j-n)} \]
[Out]
Time = 0.11 (sec) , antiderivative size = 99, normalized size of antiderivative = 1.00, number of steps used = 4, number of rules used = 4, \(\frac {\text {number of rules}}{\text {integrand size}}\) = 0.148, Rules used = {2056, 2053, 2054, 212} \[ \int (c x)^{-1-\frac {j}{2}} \sqrt {a x^j+b x^n} \, dx=\frac {2 \sqrt {a} x^{j/2} (c x)^{-j/2} \text {arctanh}\left (\frac {\sqrt {a} x^{j/2}}{\sqrt {a x^j+b x^n}}\right )}{c (j-n)}-\frac {2 (c x)^{-j/2} \sqrt {a x^j+b x^n}}{c (j-n)} \]
[In]
[Out]
Rule 212
Rule 2053
Rule 2054
Rule 2056
Rubi steps \begin{align*} \text {integral}& = \frac {\left (x^{j/2} (c x)^{-j/2}\right ) \int x^{-1-\frac {j}{2}} \sqrt {a x^j+b x^n} \, dx}{c} \\ & = -\frac {2 (c x)^{-j/2} \sqrt {a x^j+b x^n}}{c (j-n)}+\frac {\left (a x^{j/2} (c x)^{-j/2}\right ) \int \frac {x^{-1+\frac {j}{2}}}{\sqrt {a x^j+b x^n}} \, dx}{c} \\ & = -\frac {2 (c x)^{-j/2} \sqrt {a x^j+b x^n}}{c (j-n)}+\frac {\left (2 a x^{j/2} (c x)^{-j/2}\right ) \text {Subst}\left (\int \frac {1}{1-a x^2} \, dx,x,\frac {x^{j/2}}{\sqrt {a x^j+b x^n}}\right )}{c (j-n)} \\ & = -\frac {2 (c x)^{-j/2} \sqrt {a x^j+b x^n}}{c (j-n)}+\frac {2 \sqrt {a} x^{j/2} (c x)^{-j/2} \tanh ^{-1}\left (\frac {\sqrt {a} x^{j/2}}{\sqrt {a x^j+b x^n}}\right )}{c (j-n)} \\ \end{align*}
Time = 0.34 (sec) , antiderivative size = 109, normalized size of antiderivative = 1.10 \[ \int (c x)^{-1-\frac {j}{2}} \sqrt {a x^j+b x^n} \, dx=-\frac {2 (c x)^{-j/2} \left (a x^j+b x^n-\sqrt {a} \sqrt {b} x^{\frac {j+n}{2}} \sqrt {1+\frac {a x^{j-n}}{b}} \text {arcsinh}\left (\frac {\sqrt {a} x^{\frac {j-n}{2}}}{\sqrt {b}}\right )\right )}{c (j-n) \sqrt {a x^j+b x^n}} \]
[In]
[Out]
\[\int \left (c x \right )^{-1-\frac {j}{2}} \sqrt {a \,x^{j}+b \,x^{n}}d x\]
[In]
[Out]
Exception generated. \[ \int (c x)^{-1-\frac {j}{2}} \sqrt {a x^j+b x^n} \, dx=\text {Exception raised: TypeError} \]
[In]
[Out]
\[ \int (c x)^{-1-\frac {j}{2}} \sqrt {a x^j+b x^n} \, dx=\int \left (c x\right )^{- \frac {j}{2} - 1} \sqrt {a x^{j} + b x^{n}}\, dx \]
[In]
[Out]
\[ \int (c x)^{-1-\frac {j}{2}} \sqrt {a x^j+b x^n} \, dx=\int { \sqrt {a x^{j} + b x^{n}} \left (c x\right )^{-\frac {1}{2} \, j - 1} \,d x } \]
[In]
[Out]
\[ \int (c x)^{-1-\frac {j}{2}} \sqrt {a x^j+b x^n} \, dx=\int { \sqrt {a x^{j} + b x^{n}} \left (c x\right )^{-\frac {1}{2} \, j - 1} \,d x } \]
[In]
[Out]
Timed out. \[ \int (c x)^{-1-\frac {j}{2}} \sqrt {a x^j+b x^n} \, dx=\int \frac {\sqrt {a\,x^j+b\,x^n}}{{\left (c\,x\right )}^{\frac {j}{2}+1}} \,d x \]
[In]
[Out]