Integrand size = 20, antiderivative size = 25 \[ \int \frac {x^3}{\left (c x^2\right )^{3/2} (a+b x)^2} \, dx=-\frac {x}{b c \sqrt {c x^2} (a+b x)} \]
[Out]
Time = 0.00 (sec) , antiderivative size = 25, normalized size of antiderivative = 1.00, number of steps used = 2, number of rules used = 2, \(\frac {\text {number of rules}}{\text {integrand size}}\) = 0.100, Rules used = {15, 32} \[ \int \frac {x^3}{\left (c x^2\right )^{3/2} (a+b x)^2} \, dx=-\frac {x}{b c \sqrt {c x^2} (a+b x)} \]
[In]
[Out]
Rule 15
Rule 32
Rubi steps \begin{align*} \text {integral}& = \frac {x \int \frac {1}{(a+b x)^2} \, dx}{c \sqrt {c x^2}} \\ & = -\frac {x}{b c \sqrt {c x^2} (a+b x)} \\ \end{align*}
Time = 0.00 (sec) , antiderivative size = 24, normalized size of antiderivative = 0.96 \[ \int \frac {x^3}{\left (c x^2\right )^{3/2} (a+b x)^2} \, dx=-\frac {x^3}{b \left (c x^2\right )^{3/2} (a+b x)} \]
[In]
[Out]
Time = 0.31 (sec) , antiderivative size = 23, normalized size of antiderivative = 0.92
method | result | size |
gosper | \(-\frac {x^{3}}{\left (b x +a \right ) b \left (c \,x^{2}\right )^{\frac {3}{2}}}\) | \(23\) |
default | \(-\frac {x^{3}}{\left (b x +a \right ) b \left (c \,x^{2}\right )^{\frac {3}{2}}}\) | \(23\) |
risch | \(-\frac {x}{b c \left (b x +a \right ) \sqrt {c \,x^{2}}}\) | \(24\) |
trager | \(\frac {\left (-1+x \right ) \sqrt {c \,x^{2}}}{c^{2} \left (b x +a \right ) \left (a +b \right ) x}\) | \(30\) |
[In]
[Out]
none
Time = 0.22 (sec) , antiderivative size = 29, normalized size of antiderivative = 1.16 \[ \int \frac {x^3}{\left (c x^2\right )^{3/2} (a+b x)^2} \, dx=-\frac {\sqrt {c x^{2}}}{b^{2} c^{2} x^{2} + a b c^{2} x} \]
[In]
[Out]
Leaf count of result is larger than twice the leaf count of optimal. 44 vs. \(2 (19) = 38\).
Time = 0.52 (sec) , antiderivative size = 44, normalized size of antiderivative = 1.76 \[ \int \frac {x^3}{\left (c x^2\right )^{3/2} (a+b x)^2} \, dx=\begin {cases} - \frac {x^{3}}{a b \left (c x^{2}\right )^{\frac {3}{2}} + b^{2} x \left (c x^{2}\right )^{\frac {3}{2}}} & \text {for}\: b \neq 0 \\\frac {x^{4}}{a^{2} \left (c x^{2}\right )^{\frac {3}{2}}} & \text {otherwise} \end {cases} \]
[In]
[Out]
Leaf count of result is larger than twice the leaf count of optimal. 47 vs. \(2 (23) = 46\).
Time = 0.21 (sec) , antiderivative size = 47, normalized size of antiderivative = 1.88 \[ \int \frac {x^3}{\left (c x^2\right )^{3/2} (a+b x)^2} \, dx=\frac {a}{\sqrt {c x^{2}} b^{3} c x + \sqrt {c x^{2}} a b^{2} c} - \frac {1}{\sqrt {c x^{2}} b^{2} c} \]
[In]
[Out]
none
Time = 0.28 (sec) , antiderivative size = 36, normalized size of antiderivative = 1.44 \[ \int \frac {x^3}{\left (c x^2\right )^{3/2} (a+b x)^2} \, dx=\frac {\frac {\mathrm {sgn}\left (x\right )}{a b \sqrt {c}} - \frac {1}{{\left (b x + a\right )} b \sqrt {c} \mathrm {sgn}\left (x\right )}}{c} \]
[In]
[Out]
Time = 0.25 (sec) , antiderivative size = 25, normalized size of antiderivative = 1.00 \[ \int \frac {x^3}{\left (c x^2\right )^{3/2} (a+b x)^2} \, dx=-\frac {\sqrt {c\,x^2}}{b\,c^2\,x\,\left (a+b\,x\right )} \]
[In]
[Out]