Integrand size = 24, antiderivative size = 55 \[ \int (b d+2 c d x)^{3/2} \left (a+b x+c x^2\right ) \, dx=-\frac {\left (b^2-4 a c\right ) (b d+2 c d x)^{5/2}}{20 c^2 d}+\frac {(b d+2 c d x)^{9/2}}{36 c^2 d^3} \]
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Time = 0.02 (sec) , antiderivative size = 55, normalized size of antiderivative = 1.00, number of steps used = 2, number of rules used = 1, \(\frac {\text {number of rules}}{\text {integrand size}}\) = 0.042, Rules used = {697} \[ \int (b d+2 c d x)^{3/2} \left (a+b x+c x^2\right ) \, dx=\frac {(b d+2 c d x)^{9/2}}{36 c^2 d^3}-\frac {\left (b^2-4 a c\right ) (b d+2 c d x)^{5/2}}{20 c^2 d} \]
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Rule 697
Rubi steps \begin{align*} \text {integral}& = \int \left (\frac {\left (-b^2+4 a c\right ) (b d+2 c d x)^{3/2}}{4 c}+\frac {(b d+2 c d x)^{7/2}}{4 c d^2}\right ) \, dx \\ & = -\frac {\left (b^2-4 a c\right ) (b d+2 c d x)^{5/2}}{20 c^2 d}+\frac {(b d+2 c d x)^{9/2}}{36 c^2 d^3} \\ \end{align*}
Time = 0.03 (sec) , antiderivative size = 45, normalized size of antiderivative = 0.82 \[ \int (b d+2 c d x)^{3/2} \left (a+b x+c x^2\right ) \, dx=\frac {(b+2 c x) (d (b+2 c x))^{3/2} \left (-9 b^2+36 a c+5 (b+2 c x)^2\right )}{180 c^2} \]
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Time = 2.40 (sec) , antiderivative size = 46, normalized size of antiderivative = 0.84
method | result | size |
gosper | \(\frac {\left (2 c x +b \right ) \left (5 c^{2} x^{2}+5 b c x +9 a c -b^{2}\right ) \left (2 c d x +b d \right )^{\frac {3}{2}}}{45 c^{2}}\) | \(46\) |
pseudoelliptic | \(\frac {d \left (2 c x +b \right )^{2} \sqrt {d \left (2 c x +b \right )}\, \left (5 c^{2} x^{2}+5 b c x +9 a c -b^{2}\right )}{45 c^{2}}\) | \(48\) |
derivativedivides | \(\frac {\frac {\left (2 c d x +b d \right )^{\frac {9}{2}}}{9}+\frac {\left (4 a c \,d^{2}-b^{2} d^{2}\right ) \left (2 c d x +b d \right )^{\frac {5}{2}}}{5}}{4 c^{2} d^{3}}\) | \(52\) |
default | \(\frac {\frac {\left (2 c d x +b d \right )^{\frac {9}{2}}}{9}+\frac {\left (4 a c \,d^{2}-b^{2} d^{2}\right ) \left (2 c d x +b d \right )^{\frac {5}{2}}}{5}}{4 c^{2} d^{3}}\) | \(52\) |
trager | \(\frac {d \left (20 c^{4} x^{4}+40 b \,c^{3} x^{3}+36 x^{2} c^{3} a +21 b^{2} c^{2} x^{2}+36 a b \,c^{2} x +b^{3} c x +9 a \,b^{2} c -b^{4}\right ) \sqrt {2 c d x +b d}}{45 c^{2}}\) | \(82\) |
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Time = 0.27 (sec) , antiderivative size = 87, normalized size of antiderivative = 1.58 \[ \int (b d+2 c d x)^{3/2} \left (a+b x+c x^2\right ) \, dx=\frac {{\left (20 \, c^{4} d x^{4} + 40 \, b c^{3} d x^{3} + 3 \, {\left (7 \, b^{2} c^{2} + 12 \, a c^{3}\right )} d x^{2} + {\left (b^{3} c + 36 \, a b c^{2}\right )} d x - {\left (b^{4} - 9 \, a b^{2} c\right )} d\right )} \sqrt {2 \, c d x + b d}}{45 \, c^{2}} \]
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Time = 0.75 (sec) , antiderivative size = 73, normalized size of antiderivative = 1.33 \[ \int (b d+2 c d x)^{3/2} \left (a+b x+c x^2\right ) \, dx=\begin {cases} \frac {\frac {\left (4 a c - b^{2}\right ) \left (b d + 2 c d x\right )^{\frac {5}{2}}}{20 c} + \frac {\left (b d + 2 c d x\right )^{\frac {9}{2}}}{36 c d^{2}}}{c d} & \text {for}\: c d \neq 0 \\\left (b d\right )^{\frac {3}{2}} \left (a x + \frac {b x^{2}}{2} + \frac {c x^{3}}{3}\right ) & \text {otherwise} \end {cases} \]
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Time = 0.20 (sec) , antiderivative size = 46, normalized size of antiderivative = 0.84 \[ \int (b d+2 c d x)^{3/2} \left (a+b x+c x^2\right ) \, dx=-\frac {9 \, {\left (2 \, c d x + b d\right )}^{\frac {5}{2}} {\left (b^{2} - 4 \, a c\right )} d^{2} - 5 \, {\left (2 \, c d x + b d\right )}^{\frac {9}{2}}}{180 \, c^{2} d^{3}} \]
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Leaf count of result is larger than twice the leaf count of optimal. 376 vs. \(2 (47) = 94\).
Time = 0.27 (sec) , antiderivative size = 376, normalized size of antiderivative = 6.84 \[ \int (b d+2 c d x)^{3/2} \left (a+b x+c x^2\right ) \, dx=\frac {1260 \, \sqrt {2 \, c d x + b d} a b^{2} d - 840 \, {\left (3 \, \sqrt {2 \, c d x + b d} b d - {\left (2 \, c d x + b d\right )}^{\frac {3}{2}}\right )} a b - \frac {210 \, {\left (3 \, \sqrt {2 \, c d x + b d} b d - {\left (2 \, c d x + b d\right )}^{\frac {3}{2}}\right )} b^{3}}{c} + \frac {84 \, {\left (15 \, \sqrt {2 \, c d x + b d} b^{2} d^{2} - 10 \, {\left (2 \, c d x + b d\right )}^{\frac {3}{2}} b d + 3 \, {\left (2 \, c d x + b d\right )}^{\frac {5}{2}}\right )} a}{d} + \frac {105 \, {\left (15 \, \sqrt {2 \, c d x + b d} b^{2} d^{2} - 10 \, {\left (2 \, c d x + b d\right )}^{\frac {3}{2}} b d + 3 \, {\left (2 \, c d x + b d\right )}^{\frac {5}{2}}\right )} b^{2}}{c d} - \frac {36 \, {\left (35 \, \sqrt {2 \, c d x + b d} b^{3} d^{3} - 35 \, {\left (2 \, c d x + b d\right )}^{\frac {3}{2}} b^{2} d^{2} + 21 \, {\left (2 \, c d x + b d\right )}^{\frac {5}{2}} b d - 5 \, {\left (2 \, c d x + b d\right )}^{\frac {7}{2}}\right )} b}{c d^{2}} + \frac {315 \, \sqrt {2 \, c d x + b d} b^{4} d^{4} - 420 \, {\left (2 \, c d x + b d\right )}^{\frac {3}{2}} b^{3} d^{3} + 378 \, {\left (2 \, c d x + b d\right )}^{\frac {5}{2}} b^{2} d^{2} - 180 \, {\left (2 \, c d x + b d\right )}^{\frac {7}{2}} b d + 35 \, {\left (2 \, c d x + b d\right )}^{\frac {9}{2}}}{c d^{3}}}{1260 \, c} \]
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Time = 0.05 (sec) , antiderivative size = 39, normalized size of antiderivative = 0.71 \[ \int (b d+2 c d x)^{3/2} \left (a+b x+c x^2\right ) \, dx=\frac {{\left (b\,d+2\,c\,d\,x\right )}^{5/2}\,\left (36\,a\,c+5\,{\left (b+2\,c\,x\right )}^2-9\,b^2\right )}{180\,c^2\,d} \]
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