Integrand size = 15, antiderivative size = 42 \[ \int (a+b x) (c+d x)^{3/2} \, dx=-\frac {2 (b c-a d) (c+d x)^{5/2}}{5 d^2}+\frac {2 b (c+d x)^{7/2}}{7 d^2} \]
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Time = 0.01 (sec) , antiderivative size = 42, normalized size of antiderivative = 1.00, number of steps used = 2, number of rules used = 1, \(\frac {\text {number of rules}}{\text {integrand size}}\) = 0.067, Rules used = {45} \[ \int (a+b x) (c+d x)^{3/2} \, dx=\frac {2 b (c+d x)^{7/2}}{7 d^2}-\frac {2 (c+d x)^{5/2} (b c-a d)}{5 d^2} \]
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Rule 45
Rubi steps \begin{align*} \text {integral}& = \int \left (\frac {(-b c+a d) (c+d x)^{3/2}}{d}+\frac {b (c+d x)^{5/2}}{d}\right ) \, dx \\ & = -\frac {2 (b c-a d) (c+d x)^{5/2}}{5 d^2}+\frac {2 b (c+d x)^{7/2}}{7 d^2} \\ \end{align*}
Time = 0.02 (sec) , antiderivative size = 30, normalized size of antiderivative = 0.71 \[ \int (a+b x) (c+d x)^{3/2} \, dx=\frac {2 (c+d x)^{5/2} (-2 b c+7 a d+5 b d x)}{35 d^2} \]
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Time = 0.25 (sec) , antiderivative size = 27, normalized size of antiderivative = 0.64
method | result | size |
gosper | \(\frac {2 \left (d x +c \right )^{\frac {5}{2}} \left (5 b d x +7 a d -2 b c \right )}{35 d^{2}}\) | \(27\) |
pseudoelliptic | \(\frac {2 \left (\left (5 b x +7 a \right ) d -2 b c \right ) \left (d x +c \right )^{\frac {5}{2}}}{35 d^{2}}\) | \(28\) |
derivativedivides | \(\frac {\frac {2 b \left (d x +c \right )^{\frac {7}{2}}}{7}+\frac {2 \left (a d -b c \right ) \left (d x +c \right )^{\frac {5}{2}}}{5}}{d^{2}}\) | \(34\) |
default | \(\frac {\frac {2 b \left (d x +c \right )^{\frac {7}{2}}}{7}+\frac {2 \left (a d -b c \right ) \left (d x +c \right )^{\frac {5}{2}}}{5}}{d^{2}}\) | \(34\) |
trager | \(\frac {2 \left (5 b \,d^{3} x^{3}+7 a \,d^{3} x^{2}+8 b c \,d^{2} x^{2}+14 a c \,d^{2} x +b \,c^{2} d x +7 a \,c^{2} d -2 b \,c^{3}\right ) \sqrt {d x +c}}{35 d^{2}}\) | \(70\) |
risch | \(\frac {2 \left (5 b \,d^{3} x^{3}+7 a \,d^{3} x^{2}+8 b c \,d^{2} x^{2}+14 a c \,d^{2} x +b \,c^{2} d x +7 a \,c^{2} d -2 b \,c^{3}\right ) \sqrt {d x +c}}{35 d^{2}}\) | \(70\) |
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Leaf count of result is larger than twice the leaf count of optimal. 69 vs. \(2 (34) = 68\).
Time = 0.22 (sec) , antiderivative size = 69, normalized size of antiderivative = 1.64 \[ \int (a+b x) (c+d x)^{3/2} \, dx=\frac {2 \, {\left (5 \, b d^{3} x^{3} - 2 \, b c^{3} + 7 \, a c^{2} d + {\left (8 \, b c d^{2} + 7 \, a d^{3}\right )} x^{2} + {\left (b c^{2} d + 14 \, a c d^{2}\right )} x\right )} \sqrt {d x + c}}{35 \, d^{2}} \]
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Leaf count of result is larger than twice the leaf count of optimal. 146 vs. \(2 (41) = 82\).
Time = 0.22 (sec) , antiderivative size = 146, normalized size of antiderivative = 3.48 \[ \int (a+b x) (c+d x)^{3/2} \, dx=\begin {cases} \frac {2 a c^{2} \sqrt {c + d x}}{5 d} + \frac {4 a c x \sqrt {c + d x}}{5} + \frac {2 a d x^{2} \sqrt {c + d x}}{5} - \frac {4 b c^{3} \sqrt {c + d x}}{35 d^{2}} + \frac {2 b c^{2} x \sqrt {c + d x}}{35 d} + \frac {16 b c x^{2} \sqrt {c + d x}}{35} + \frac {2 b d x^{3} \sqrt {c + d x}}{7} & \text {for}\: d \neq 0 \\c^{\frac {3}{2}} \left (a x + \frac {b x^{2}}{2}\right ) & \text {otherwise} \end {cases} \]
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none
Time = 0.21 (sec) , antiderivative size = 33, normalized size of antiderivative = 0.79 \[ \int (a+b x) (c+d x)^{3/2} \, dx=\frac {2 \, {\left (5 \, {\left (d x + c\right )}^{\frac {7}{2}} b - 7 \, {\left (b c - a d\right )} {\left (d x + c\right )}^{\frac {5}{2}}\right )}}{35 \, d^{2}} \]
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Leaf count of result is larger than twice the leaf count of optimal. 192 vs. \(2 (34) = 68\).
Time = 0.30 (sec) , antiderivative size = 192, normalized size of antiderivative = 4.57 \[ \int (a+b x) (c+d x)^{3/2} \, dx=\frac {2 \, {\left (105 \, \sqrt {d x + c} a c^{2} + 70 \, {\left ({\left (d x + c\right )}^{\frac {3}{2}} - 3 \, \sqrt {d x + c} c\right )} a c + \frac {35 \, {\left ({\left (d x + c\right )}^{\frac {3}{2}} - 3 \, \sqrt {d x + c} c\right )} b c^{2}}{d} + 7 \, {\left (3 \, {\left (d x + c\right )}^{\frac {5}{2}} - 10 \, {\left (d x + c\right )}^{\frac {3}{2}} c + 15 \, \sqrt {d x + c} c^{2}\right )} a + \frac {14 \, {\left (3 \, {\left (d x + c\right )}^{\frac {5}{2}} - 10 \, {\left (d x + c\right )}^{\frac {3}{2}} c + 15 \, \sqrt {d x + c} c^{2}\right )} b c}{d} + \frac {3 \, {\left (5 \, {\left (d x + c\right )}^{\frac {7}{2}} - 21 \, {\left (d x + c\right )}^{\frac {5}{2}} c + 35 \, {\left (d x + c\right )}^{\frac {3}{2}} c^{2} - 35 \, \sqrt {d x + c} c^{3}\right )} b}{d}\right )}}{105 \, d} \]
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Time = 0.31 (sec) , antiderivative size = 29, normalized size of antiderivative = 0.69 \[ \int (a+b x) (c+d x)^{3/2} \, dx=\frac {2\,{\left (c+d\,x\right )}^{5/2}\,\left (7\,a\,d-7\,b\,c+5\,b\,\left (c+d\,x\right )\right )}{35\,d^2} \]
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