Optimal. Leaf size=52 \[ \frac{a (d x)^{m+1}}{d (m+1)}+\frac{b (d x)^{m+4}}{d^4 (m+4)}+\frac{c (d x)^{m+7}}{d^7 (m+7)} \]
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Rubi [A] time = 0.0206515, antiderivative size = 52, normalized size of antiderivative = 1., number of steps used = 2, number of rules used = 1, integrand size = 18, \(\frac{\text{number of rules}}{\text{integrand size}}\) = 0.056, Rules used = {14} \[ \frac{a (d x)^{m+1}}{d (m+1)}+\frac{b (d x)^{m+4}}{d^4 (m+4)}+\frac{c (d x)^{m+7}}{d^7 (m+7)} \]
Antiderivative was successfully verified.
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Rule 14
Rubi steps
\begin{align*} \int (d x)^m \left (a+b x^3+c x^6\right ) \, dx &=\int \left (a (d x)^m+\frac{b (d x)^{3+m}}{d^3}+\frac{c (d x)^{6+m}}{d^6}\right ) \, dx\\ &=\frac{a (d x)^{1+m}}{d (1+m)}+\frac{b (d x)^{4+m}}{d^4 (4+m)}+\frac{c (d x)^{7+m}}{d^7 (7+m)}\\ \end{align*}
Mathematica [A] time = 0.0295413, size = 35, normalized size = 0.67 \[ x (d x)^m \left (\frac{a}{m+1}+\frac{b x^3}{m+4}+\frac{c x^6}{m+7}\right ) \]
Antiderivative was successfully verified.
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Maple [A] time = 0.003, size = 78, normalized size = 1.5 \begin{align*}{\frac{ \left ( c{m}^{2}{x}^{6}+5\,cm{x}^{6}+4\,c{x}^{6}+b{m}^{2}{x}^{3}+8\,bm{x}^{3}+7\,b{x}^{3}+a{m}^{2}+11\,am+28\,a \right ) x \left ( dx \right ) ^{m}}{ \left ( 7+m \right ) \left ( 4+m \right ) \left ( 1+m \right ) }} \end{align*}
Verification of antiderivative is not currently implemented for this CAS.
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Maxima [F(-2)] time = 0., size = 0, normalized size = 0. \begin{align*} \text{Exception raised: ValueError} \end{align*}
Verification of antiderivative is not currently implemented for this CAS.
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Fricas [A] time = 1.57497, size = 162, normalized size = 3.12 \begin{align*} \frac{{\left ({\left (c m^{2} + 5 \, c m + 4 \, c\right )} x^{7} +{\left (b m^{2} + 8 \, b m + 7 \, b\right )} x^{4} +{\left (a m^{2} + 11 \, a m + 28 \, a\right )} x\right )} \left (d x\right )^{m}}{m^{3} + 12 \, m^{2} + 39 \, m + 28} \end{align*}
Verification of antiderivative is not currently implemented for this CAS.
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Sympy [A] time = 1.50703, size = 314, normalized size = 6.04 \begin{align*} \begin{cases} \frac{- \frac{a}{6 x^{6}} - \frac{b}{3 x^{3}} + c \log{\left (x \right )}}{d^{7}} & \text{for}\: m = -7 \\\frac{- \frac{a}{3 x^{3}} + b \log{\left (x \right )} + \frac{c x^{3}}{3}}{d^{4}} & \text{for}\: m = -4 \\\frac{a \log{\left (x \right )} + \frac{b x^{3}}{3} + \frac{c x^{6}}{6}}{d} & \text{for}\: m = -1 \\\frac{a d^{m} m^{2} x x^{m}}{m^{3} + 12 m^{2} + 39 m + 28} + \frac{11 a d^{m} m x x^{m}}{m^{3} + 12 m^{2} + 39 m + 28} + \frac{28 a d^{m} x x^{m}}{m^{3} + 12 m^{2} + 39 m + 28} + \frac{b d^{m} m^{2} x^{4} x^{m}}{m^{3} + 12 m^{2} + 39 m + 28} + \frac{8 b d^{m} m x^{4} x^{m}}{m^{3} + 12 m^{2} + 39 m + 28} + \frac{7 b d^{m} x^{4} x^{m}}{m^{3} + 12 m^{2} + 39 m + 28} + \frac{c d^{m} m^{2} x^{7} x^{m}}{m^{3} + 12 m^{2} + 39 m + 28} + \frac{5 c d^{m} m x^{7} x^{m}}{m^{3} + 12 m^{2} + 39 m + 28} + \frac{4 c d^{m} x^{7} x^{m}}{m^{3} + 12 m^{2} + 39 m + 28} & \text{otherwise} \end{cases} \end{align*}
Verification of antiderivative is not currently implemented for this CAS.
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Giac [B] time = 1.09214, size = 161, normalized size = 3.1 \begin{align*} \frac{\left (d x\right )^{m} c m^{2} x^{7} + 5 \, \left (d x\right )^{m} c m x^{7} + 4 \, \left (d x\right )^{m} c x^{7} + \left (d x\right )^{m} b m^{2} x^{4} + 8 \, \left (d x\right )^{m} b m x^{4} + 7 \, \left (d x\right )^{m} b x^{4} + \left (d x\right )^{m} a m^{2} x + 11 \, \left (d x\right )^{m} a m x + 28 \, \left (d x\right )^{m} a x}{m^{3} + 12 \, m^{2} + 39 \, m + 28} \end{align*}
Verification of antiderivative is not currently implemented for this CAS.
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