Integrand size = 17, antiderivative size = 51 \[ \int \frac {1}{x \left (b x+c x^2\right )^{3/2}} \, dx=-\frac {2}{3 b x \sqrt {b x+c x^2}}+\frac {8 c (b+2 c x)}{3 b^3 \sqrt {b x+c x^2}} \]
[Out]
Time = 0.01 (sec) , antiderivative size = 51, normalized size of antiderivative = 1.00, number of steps used = 2, number of rules used = 2, \(\frac {\text {number of rules}}{\text {integrand size}}\) = 0.118, Rules used = {672, 627} \[ \int \frac {1}{x \left (b x+c x^2\right )^{3/2}} \, dx=\frac {8 c (b+2 c x)}{3 b^3 \sqrt {b x+c x^2}}-\frac {2}{3 b x \sqrt {b x+c x^2}} \]
[In]
[Out]
Rule 627
Rule 672
Rubi steps \begin{align*} \text {integral}& = -\frac {2}{3 b x \sqrt {b x+c x^2}}-\frac {(4 c) \int \frac {1}{\left (b x+c x^2\right )^{3/2}} \, dx}{3 b} \\ & = -\frac {2}{3 b x \sqrt {b x+c x^2}}+\frac {8 c (b+2 c x)}{3 b^3 \sqrt {b x+c x^2}} \\ \end{align*}
Time = 0.14 (sec) , antiderivative size = 40, normalized size of antiderivative = 0.78 \[ \int \frac {1}{x \left (b x+c x^2\right )^{3/2}} \, dx=-\frac {2 (b+c x) \left (b^2-4 b c x-8 c^2 x^2\right )}{3 b^3 (x (b+c x))^{3/2}} \]
[In]
[Out]
Time = 1.85 (sec) , antiderivative size = 35, normalized size of antiderivative = 0.69
method | result | size |
pseudoelliptic | \(-\frac {2 \left (-8 c^{2} x^{2}-4 b c x +b^{2}\right )}{3 x \sqrt {x \left (c x +b \right )}\, b^{3}}\) | \(35\) |
gosper | \(-\frac {2 \left (c x +b \right ) \left (-8 c^{2} x^{2}-4 b c x +b^{2}\right )}{3 b^{3} \left (c \,x^{2}+b x \right )^{\frac {3}{2}}}\) | \(39\) |
default | \(-\frac {2}{3 b x \sqrt {c \,x^{2}+b x}}+\frac {8 c \left (2 c x +b \right )}{3 b^{3} \sqrt {c \,x^{2}+b x}}\) | \(44\) |
trager | \(-\frac {2 \left (-8 c^{2} x^{2}-4 b c x +b^{2}\right ) \sqrt {c \,x^{2}+b x}}{3 \left (c x +b \right ) b^{3} x^{2}}\) | \(44\) |
risch | \(-\frac {2 \left (c x +b \right ) \left (-5 c x +b \right )}{3 b^{3} x \sqrt {x \left (c x +b \right )}}+\frac {2 c^{2} x}{\sqrt {x \left (c x +b \right )}\, b^{3}}\) | \(48\) |
[In]
[Out]
none
Time = 0.24 (sec) , antiderivative size = 50, normalized size of antiderivative = 0.98 \[ \int \frac {1}{x \left (b x+c x^2\right )^{3/2}} \, dx=\frac {2 \, {\left (8 \, c^{2} x^{2} + 4 \, b c x - b^{2}\right )} \sqrt {c x^{2} + b x}}{3 \, {\left (b^{3} c x^{3} + b^{4} x^{2}\right )}} \]
[In]
[Out]
\[ \int \frac {1}{x \left (b x+c x^2\right )^{3/2}} \, dx=\int \frac {1}{x \left (x \left (b + c x\right )\right )^{\frac {3}{2}}}\, dx \]
[In]
[Out]
none
Time = 0.19 (sec) , antiderivative size = 57, normalized size of antiderivative = 1.12 \[ \int \frac {1}{x \left (b x+c x^2\right )^{3/2}} \, dx=\frac {16 \, c^{2} x}{3 \, \sqrt {c x^{2} + b x} b^{3}} + \frac {8 \, c}{3 \, \sqrt {c x^{2} + b x} b^{2}} - \frac {2}{3 \, \sqrt {c x^{2} + b x} b x} \]
[In]
[Out]
\[ \int \frac {1}{x \left (b x+c x^2\right )^{3/2}} \, dx=\int { \frac {1}{{\left (c x^{2} + b x\right )}^{\frac {3}{2}} x} \,d x } \]
[In]
[Out]
Time = 9.05 (sec) , antiderivative size = 45, normalized size of antiderivative = 0.88 \[ \int \frac {1}{x \left (b x+c x^2\right )^{3/2}} \, dx=\frac {2\,\sqrt {c\,x^2+b\,x}\,\left (-b^2+4\,b\,c\,x+8\,c^2\,x^2\right )}{3\,b^3\,x^2\,\left (b+c\,x\right )} \]
[In]
[Out]