Optimal. Leaf size=397 \[ -\frac{6 a^3 e^{-a-b x}}{b^4}-\frac{6 a^3 x e^{-a-b x}}{b^3}-\frac{3 a^3 x^2 e^{-a-b x}}{b^2}-\frac{a^3 x^3 e^{-a-b x}}{b}-\frac{72 a^2 e^{-a-b x}}{b^4}-\frac{72 a^2 x e^{-a-b x}}{b^3}-\frac{36 a^2 x^2 e^{-a-b x}}{b^2}-3 a^2 x^4 e^{-a-b x}-\frac{12 a^2 x^3 e^{-a-b x}}{b}-\frac{360 a e^{-a-b x}}{b^4}-\frac{720 e^{-a-b x}}{b^4}-\frac{360 a x e^{-a-b x}}{b^3}-\frac{720 x e^{-a-b x}}{b^3}-b^2 x^6 e^{-a-b x}-\frac{180 a x^2 e^{-a-b x}}{b^2}-\frac{360 x^2 e^{-a-b x}}{b^2}-3 a b x^5 e^{-a-b x}-6 b x^5 e^{-a-b x}-15 a x^4 e^{-a-b x}-30 x^4 e^{-a-b x}-\frac{60 a x^3 e^{-a-b x}}{b}-\frac{120 x^3 e^{-a-b x}}{b} \]
[Out]
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Rubi [A] time = 0.840858, antiderivative size = 397, normalized size of antiderivative = 1., number of steps used = 24, number of rules used = 3, integrand size = 21, \(\frac{\text{number of rules}}{\text{integrand size}}\) = 0.143 \[ -\frac{6 a^3 e^{-a-b x}}{b^4}-\frac{6 a^3 x e^{-a-b x}}{b^3}-\frac{3 a^3 x^2 e^{-a-b x}}{b^2}-\frac{a^3 x^3 e^{-a-b x}}{b}-\frac{72 a^2 e^{-a-b x}}{b^4}-\frac{72 a^2 x e^{-a-b x}}{b^3}-\frac{36 a^2 x^2 e^{-a-b x}}{b^2}-3 a^2 x^4 e^{-a-b x}-\frac{12 a^2 x^3 e^{-a-b x}}{b}-\frac{360 a e^{-a-b x}}{b^4}-\frac{720 e^{-a-b x}}{b^4}-\frac{360 a x e^{-a-b x}}{b^3}-\frac{720 x e^{-a-b x}}{b^3}-b^2 x^6 e^{-a-b x}-\frac{180 a x^2 e^{-a-b x}}{b^2}-\frac{360 x^2 e^{-a-b x}}{b^2}-3 a b x^5 e^{-a-b x}-6 b x^5 e^{-a-b x}-15 a x^4 e^{-a-b x}-30 x^4 e^{-a-b x}-\frac{60 a x^3 e^{-a-b x}}{b}-\frac{120 x^3 e^{-a-b x}}{b} \]
Antiderivative was successfully verified.
[In] Int[E^(-a - b*x)*x^3*(a + b*x)^3,x]
[Out]
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Rubi in Sympy [A] time = 56.6496, size = 371, normalized size = 0.93 \[ - \frac{a^{3} x^{3} e^{- a - b x}}{b} - \frac{3 a^{3} x^{2} e^{- a - b x}}{b^{2}} - \frac{6 a^{3} x e^{- a - b x}}{b^{3}} - \frac{6 a^{3} e^{- a - b x}}{b^{4}} - 3 a^{2} x^{4} e^{- a - b x} - \frac{12 a^{2} x^{3} e^{- a - b x}}{b} - \frac{36 a^{2} x^{2} e^{- a - b x}}{b^{2}} - \frac{72 a^{2} x e^{- a - b x}}{b^{3}} - \frac{72 a^{2} e^{- a - b x}}{b^{4}} - 3 a b x^{5} e^{- a - b x} - 15 a x^{4} e^{- a - b x} - \frac{60 a x^{3} e^{- a - b x}}{b} - \frac{180 a x^{2} e^{- a - b x}}{b^{2}} - \frac{360 a x e^{- a - b x}}{b^{3}} - \frac{360 a e^{- a - b x}}{b^{4}} - b^{2} x^{6} e^{- a - b x} - 6 b x^{5} e^{- a - b x} - 30 x^{4} e^{- a - b x} - \frac{120 x^{3} e^{- a - b x}}{b} - \frac{360 x^{2} e^{- a - b x}}{b^{2}} - \frac{720 x e^{- a - b x}}{b^{3}} - \frac{720 e^{- a - b x}}{b^{4}} \]
Verification of antiderivative is not currently implemented for this CAS.
[In] rubi_integrate(exp(-b*x-a)*x**3*(b*x+a)**3,x)
[Out]
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Mathematica [A] time = 0.0804031, size = 121, normalized size = 0.3 \[ e^{-a-b x} \left (-3 \left (a^2+5 a+10\right ) x^4-\frac{6 \left (a^3+12 a^2+60 a+120\right )}{b^4}-\frac{6 \left (a^3+12 a^2+60 a+120\right ) x}{b^3}-\frac{3 \left (a^3+12 a^2+60 a+120\right ) x^2}{b^2}-\frac{\left (a^3+12 a^2+60 a+120\right ) x^3}{b}-3 (a+2) b x^5-b^2 x^6\right ) \]
Antiderivative was successfully verified.
[In] Integrate[E^(-a - b*x)*x^3*(a + b*x)^3,x]
[Out]
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Maple [A] time = 0.007, size = 182, normalized size = 0.5 \[ -{\frac{ \left ({b}^{6}{x}^{6}+3\,{b}^{5}{x}^{5}a+3\,{a}^{2}{b}^{4}{x}^{4}+6\,{b}^{5}{x}^{5}+{a}^{3}{b}^{3}{x}^{3}+15\,a{b}^{4}{x}^{4}+12\,{a}^{2}{b}^{3}{x}^{3}+30\,{x}^{4}{b}^{4}+3\,{a}^{3}{b}^{2}{x}^{2}+60\,a{b}^{3}{x}^{3}+36\,{a}^{2}{b}^{2}{x}^{2}+120\,{x}^{3}{b}^{3}+6\,{a}^{3}bx+180\,a{b}^{2}{x}^{2}+72\,{a}^{2}bx+360\,{b}^{2}{x}^{2}+6\,{a}^{3}+360\,abx+72\,{a}^{2}+720\,bx+360\,a+720 \right ){{\rm e}^{-bx-a}}}{{b}^{4}}} \]
Verification of antiderivative is not currently implemented for this CAS.
[In] int(exp(-b*x-a)*x^3*(b*x+a)^3,x)
[Out]
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Maxima [A] time = 0.818402, size = 265, normalized size = 0.67 \[ -\frac{{\left (b^{3} x^{3} + 3 \, b^{2} x^{2} + 6 \, b x + 6\right )} a^{3} e^{\left (-b x - a\right )}}{b^{4}} - \frac{3 \,{\left (b^{4} x^{4} + 4 \, b^{3} x^{3} + 12 \, b^{2} x^{2} + 24 \, b x + 24\right )} a^{2} e^{\left (-b x - a\right )}}{b^{4}} - \frac{3 \,{\left (b^{5} x^{5} + 5 \, b^{4} x^{4} + 20 \, b^{3} x^{3} + 60 \, b^{2} x^{2} + 120 \, b x + 120\right )} a e^{\left (-b x - a\right )}}{b^{4}} - \frac{{\left (b^{6} x^{6} + 6 \, b^{5} x^{5} + 30 \, b^{4} x^{4} + 120 \, b^{3} x^{3} + 360 \, b^{2} x^{2} + 720 \, b x + 720\right )} e^{\left (-b x - a\right )}}{b^{4}} \]
Verification of antiderivative is not currently implemented for this CAS.
[In] integrate((b*x + a)^3*x^3*e^(-b*x - a),x, algorithm="maxima")
[Out]
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Fricas [A] time = 0.256882, size = 163, normalized size = 0.41 \[ -\frac{{\left (b^{6} x^{6} + 3 \,{\left (a + 2\right )} b^{5} x^{5} + 3 \,{\left (a^{2} + 5 \, a + 10\right )} b^{4} x^{4} +{\left (a^{3} + 12 \, a^{2} + 60 \, a + 120\right )} b^{3} x^{3} + 3 \,{\left (a^{3} + 12 \, a^{2} + 60 \, a + 120\right )} b^{2} x^{2} + 6 \, a^{3} + 6 \,{\left (a^{3} + 12 \, a^{2} + 60 \, a + 120\right )} b x + 72 \, a^{2} + 360 \, a + 720\right )} e^{\left (-b x - a\right )}}{b^{4}} \]
Verification of antiderivative is not currently implemented for this CAS.
[In] integrate((b*x + a)^3*x^3*e^(-b*x - a),x, algorithm="fricas")
[Out]
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Sympy [A] time = 0.520658, size = 236, normalized size = 0.59 \[ \begin{cases} \frac{\left (- a^{3} b^{3} x^{3} - 3 a^{3} b^{2} x^{2} - 6 a^{3} b x - 6 a^{3} - 3 a^{2} b^{4} x^{4} - 12 a^{2} b^{3} x^{3} - 36 a^{2} b^{2} x^{2} - 72 a^{2} b x - 72 a^{2} - 3 a b^{5} x^{5} - 15 a b^{4} x^{4} - 60 a b^{3} x^{3} - 180 a b^{2} x^{2} - 360 a b x - 360 a - b^{6} x^{6} - 6 b^{5} x^{5} - 30 b^{4} x^{4} - 120 b^{3} x^{3} - 360 b^{2} x^{2} - 720 b x - 720\right ) e^{- a - b x}}{b^{4}} & \text{for}\: b^{4} \neq 0 \\\frac{a^{3} x^{4}}{4} + \frac{3 a^{2} b x^{5}}{5} + \frac{a b^{2} x^{6}}{2} + \frac{b^{3} x^{7}}{7} & \text{otherwise} \end{cases} \]
Verification of antiderivative is not currently implemented for this CAS.
[In] integrate(exp(-b*x-a)*x**3*(b*x+a)**3,x)
[Out]
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GIAC/XCAS [A] time = 0.258431, size = 273, normalized size = 0.69 \[ -\frac{{\left (b^{9} x^{6} + 3 \, a b^{8} x^{5} + 3 \, a^{2} b^{7} x^{4} + 6 \, b^{8} x^{5} + a^{3} b^{6} x^{3} + 15 \, a b^{7} x^{4} + 12 \, a^{2} b^{6} x^{3} + 30 \, b^{7} x^{4} + 3 \, a^{3} b^{5} x^{2} + 60 \, a b^{6} x^{3} + 36 \, a^{2} b^{5} x^{2} + 120 \, b^{6} x^{3} + 6 \, a^{3} b^{4} x + 180 \, a b^{5} x^{2} + 72 \, a^{2} b^{4} x + 360 \, b^{5} x^{2} + 6 \, a^{3} b^{3} + 360 \, a b^{4} x + 72 \, a^{2} b^{3} + 720 \, b^{4} x + 360 \, a b^{3} + 720 \, b^{3}\right )} e^{\left (-b x - a\right )}}{b^{7}} \]
Verification of antiderivative is not currently implemented for this CAS.
[In] integrate((b*x + a)^3*x^3*e^(-b*x - a),x, algorithm="giac")
[Out]