Integrand size = 20, antiderivative size = 17 \[ \int \frac {1}{(a+b x)^2 \left (\frac {a d}{b}+d x\right )^3} \, dx=-\frac {b^2}{4 d^3 (a+b x)^4} \]
[Out]
Time = 0.00 (sec) , antiderivative size = 17, 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 = {21, 32} \[ \int \frac {1}{(a+b x)^2 \left (\frac {a d}{b}+d x\right )^3} \, dx=-\frac {b^2}{4 d^3 (a+b x)^4} \]
[In]
[Out]
Rule 21
Rule 32
Rubi steps \begin{align*} \text {integral}& = \frac {b^3 \int \frac {1}{(a+b x)^5} \, dx}{d^3} \\ & = -\frac {b^2}{4 d^3 (a+b x)^4} \\ \end{align*}
Time = 0.00 (sec) , antiderivative size = 17, normalized size of antiderivative = 1.00 \[ \int \frac {1}{(a+b x)^2 \left (\frac {a d}{b}+d x\right )^3} \, dx=-\frac {b^2}{4 d^3 (a+b x)^4} \]
[In]
[Out]
Time = 0.17 (sec) , antiderivative size = 16, normalized size of antiderivative = 0.94
method | result | size |
gosper | \(-\frac {b^{2}}{4 d^{3} \left (b x +a \right )^{4}}\) | \(16\) |
default | \(-\frac {b^{2}}{4 d^{3} \left (b x +a \right )^{4}}\) | \(16\) |
norman | \(-\frac {b^{2}}{4 d^{3} \left (b x +a \right )^{4}}\) | \(16\) |
risch | \(-\frac {b^{2}}{4 d^{3} \left (b x +a \right )^{4}}\) | \(16\) |
parallelrisch | \(-\frac {b^{2}}{4 d^{3} \left (b x +a \right )^{4}}\) | \(16\) |
[In]
[Out]
Leaf count of result is larger than twice the leaf count of optimal. 61 vs. \(2 (15) = 30\).
Time = 0.22 (sec) , antiderivative size = 61, normalized size of antiderivative = 3.59 \[ \int \frac {1}{(a+b x)^2 \left (\frac {a d}{b}+d x\right )^3} \, dx=-\frac {b^{2}}{4 \, {\left (b^{4} d^{3} x^{4} + 4 \, a b^{3} d^{3} x^{3} + 6 \, a^{2} b^{2} d^{3} x^{2} + 4 \, a^{3} b d^{3} x + a^{4} d^{3}\right )}} \]
[In]
[Out]
Leaf count of result is larger than twice the leaf count of optimal. 68 vs. \(2 (15) = 30\).
Time = 0.28 (sec) , antiderivative size = 68, normalized size of antiderivative = 4.00 \[ \int \frac {1}{(a+b x)^2 \left (\frac {a d}{b}+d x\right )^3} \, dx=- \frac {b^{3}}{4 a^{4} b d^{3} + 16 a^{3} b^{2} d^{3} x + 24 a^{2} b^{3} d^{3} x^{2} + 16 a b^{4} d^{3} x^{3} + 4 b^{5} d^{3} x^{4}} \]
[In]
[Out]
Leaf count of result is larger than twice the leaf count of optimal. 61 vs. \(2 (15) = 30\).
Time = 0.22 (sec) , antiderivative size = 61, normalized size of antiderivative = 3.59 \[ \int \frac {1}{(a+b x)^2 \left (\frac {a d}{b}+d x\right )^3} \, dx=-\frac {b^{2}}{4 \, {\left (b^{4} d^{3} x^{4} + 4 \, a b^{3} d^{3} x^{3} + 6 \, a^{2} b^{2} d^{3} x^{2} + 4 \, a^{3} b d^{3} x + a^{4} d^{3}\right )}} \]
[In]
[Out]
none
Time = 0.28 (sec) , antiderivative size = 15, normalized size of antiderivative = 0.88 \[ \int \frac {1}{(a+b x)^2 \left (\frac {a d}{b}+d x\right )^3} \, dx=-\frac {b^{2}}{4 \, {\left (b x + a\right )}^{4} d^{3}} \]
[In]
[Out]
Time = 0.06 (sec) , antiderivative size = 63, normalized size of antiderivative = 3.71 \[ \int \frac {1}{(a+b x)^2 \left (\frac {a d}{b}+d x\right )^3} \, dx=-\frac {b^2}{4\,\left (a^4\,d^3+4\,a^3\,b\,d^3\,x+6\,a^2\,b^2\,d^3\,x^2+4\,a\,b^3\,d^3\,x^3+b^4\,d^3\,x^4\right )} \]
[In]
[Out]