3.19.3 \(\int (d+e x) (a+b x+c x^2)^3 \, dx\)

Optimal. Leaf size=161 \[ a^3 d x+\frac {1}{4} x^4 \left (3 a^2 c e+3 a b^2 e+6 a b c d+b^3 d\right )+\frac {1}{2} a^2 x^2 (a e+3 b d)+\frac {1}{2} c x^6 \left (a c e+b^2 e+b c d\right )+a x^3 \left (a b e+a c d+b^2 d\right )+\frac {1}{5} x^5 \left (6 a b c e+3 a c^2 d+b^3 e+3 b^2 c d\right )+\frac {1}{7} c^2 x^7 (3 b e+c d)+\frac {1}{8} c^3 e x^8 \]

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Rubi [A]  time = 0.16, antiderivative size = 161, normalized size of antiderivative = 1.00, 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 = {631} \begin {gather*} \frac {1}{4} x^4 \left (3 a^2 c e+3 a b^2 e+6 a b c d+b^3 d\right )+\frac {1}{2} a^2 x^2 (a e+3 b d)+a^3 d x+\frac {1}{5} x^5 \left (6 a b c e+3 a c^2 d+3 b^2 c d+b^3 e\right )+\frac {1}{2} c x^6 \left (a c e+b^2 e+b c d\right )+a x^3 \left (a b e+a c d+b^2 d\right )+\frac {1}{7} c^2 x^7 (3 b e+c d)+\frac {1}{8} c^3 e x^8 \end {gather*}

Antiderivative was successfully verified.

[In]

Int[(d + e*x)*(a + b*x + c*x^2)^3,x]

[Out]

a^3*d*x + (a^2*(3*b*d + a*e)*x^2)/2 + a*(b^2*d + a*c*d + a*b*e)*x^3 + ((b^3*d + 6*a*b*c*d + 3*a*b^2*e + 3*a^2*
c*e)*x^4)/4 + ((3*b^2*c*d + 3*a*c^2*d + b^3*e + 6*a*b*c*e)*x^5)/5 + (c*(b*c*d + b^2*e + a*c*e)*x^6)/2 + (c^2*(
c*d + 3*b*e)*x^7)/7 + (c^3*e*x^8)/8

Rule 631

Int[((d_.) + (e_.)*(x_))*((a_.) + (b_.)*(x_) + (c_.)*(x_)^2)^(p_.), x_Symbol] :> Int[ExpandIntegrand[(d + e*x)
*(a + b*x + c*x^2)^p, x], x] /; FreeQ[{a, b, c, d, e}, x] && NeQ[2*c*d - b*e, 0] && IntegerQ[p] && (GtQ[p, 0]
|| EqQ[a, 0])

Rubi steps

\begin {align*} \int (d+e x) \left (a+b x+c x^2\right )^3 \, dx &=\int \left (a^3 d+a^2 (3 b d+a e) x+3 a \left (b^2 d+a c d+a b e\right ) x^2+\left (b^3 d+6 a b c d+3 a b^2 e+3 a^2 c e\right ) x^3+\left (3 b^2 c d+3 a c^2 d+b^3 e+6 a b c e\right ) x^4+3 c \left (b c d+b^2 e+a c e\right ) x^5+c^2 (c d+3 b e) x^6+c^3 e x^7\right ) \, dx\\ &=a^3 d x+\frac {1}{2} a^2 (3 b d+a e) x^2+a \left (b^2 d+a c d+a b e\right ) x^3+\frac {1}{4} \left (b^3 d+6 a b c d+3 a b^2 e+3 a^2 c e\right ) x^4+\frac {1}{5} \left (3 b^2 c d+3 a c^2 d+b^3 e+6 a b c e\right ) x^5+\frac {1}{2} c \left (b c d+b^2 e+a c e\right ) x^6+\frac {1}{7} c^2 (c d+3 b e) x^7+\frac {1}{8} c^3 e x^8\\ \end {align*}

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Mathematica [A]  time = 0.04, size = 161, normalized size = 1.00 \begin {gather*} a^3 d x+\frac {1}{4} x^4 \left (3 a^2 c e+3 a b^2 e+6 a b c d+b^3 d\right )+\frac {1}{2} a^2 x^2 (a e+3 b d)+\frac {1}{2} c x^6 \left (a c e+b^2 e+b c d\right )+a x^3 \left (a b e+a c d+b^2 d\right )+\frac {1}{5} x^5 \left (6 a b c e+3 a c^2 d+b^3 e+3 b^2 c d\right )+\frac {1}{7} c^2 x^7 (3 b e+c d)+\frac {1}{8} c^3 e x^8 \end {gather*}

Antiderivative was successfully verified.

[In]

Integrate[(d + e*x)*(a + b*x + c*x^2)^3,x]

[Out]

a^3*d*x + (a^2*(3*b*d + a*e)*x^2)/2 + a*(b^2*d + a*c*d + a*b*e)*x^3 + ((b^3*d + 6*a*b*c*d + 3*a*b^2*e + 3*a^2*
c*e)*x^4)/4 + ((3*b^2*c*d + 3*a*c^2*d + b^3*e + 6*a*b*c*e)*x^5)/5 + (c*(b*c*d + b^2*e + a*c*e)*x^6)/2 + (c^2*(
c*d + 3*b*e)*x^7)/7 + (c^3*e*x^8)/8

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IntegrateAlgebraic [F]  time = 0.00, size = 0, normalized size = 0.00 \begin {gather*} \int (d+e x) \left (a+b x+c x^2\right )^3 \, dx \end {gather*}

Verification is not applicable to the result.

[In]

IntegrateAlgebraic[(d + e*x)*(a + b*x + c*x^2)^3,x]

[Out]

IntegrateAlgebraic[(d + e*x)*(a + b*x + c*x^2)^3, x]

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fricas [A]  time = 0.35, size = 187, normalized size = 1.16 \begin {gather*} \frac {1}{8} x^{8} e c^{3} + \frac {1}{7} x^{7} d c^{3} + \frac {3}{7} x^{7} e c^{2} b + \frac {1}{2} x^{6} d c^{2} b + \frac {1}{2} x^{6} e c b^{2} + \frac {1}{2} x^{6} e c^{2} a + \frac {3}{5} x^{5} d c b^{2} + \frac {1}{5} x^{5} e b^{3} + \frac {3}{5} x^{5} d c^{2} a + \frac {6}{5} x^{5} e c b a + \frac {1}{4} x^{4} d b^{3} + \frac {3}{2} x^{4} d c b a + \frac {3}{4} x^{4} e b^{2} a + \frac {3}{4} x^{4} e c a^{2} + x^{3} d b^{2} a + x^{3} d c a^{2} + x^{3} e b a^{2} + \frac {3}{2} x^{2} d b a^{2} + \frac {1}{2} x^{2} e a^{3} + x d a^{3} \end {gather*}

Verification of antiderivative is not currently implemented for this CAS.

[In]

integrate((e*x+d)*(c*x^2+b*x+a)^3,x, algorithm="fricas")

[Out]

1/8*x^8*e*c^3 + 1/7*x^7*d*c^3 + 3/7*x^7*e*c^2*b + 1/2*x^6*d*c^2*b + 1/2*x^6*e*c*b^2 + 1/2*x^6*e*c^2*a + 3/5*x^
5*d*c*b^2 + 1/5*x^5*e*b^3 + 3/5*x^5*d*c^2*a + 6/5*x^5*e*c*b*a + 1/4*x^4*d*b^3 + 3/2*x^4*d*c*b*a + 3/4*x^4*e*b^
2*a + 3/4*x^4*e*c*a^2 + x^3*d*b^2*a + x^3*d*c*a^2 + x^3*e*b*a^2 + 3/2*x^2*d*b*a^2 + 1/2*x^2*e*a^3 + x*d*a^3

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giac [A]  time = 0.16, size = 197, normalized size = 1.22 \begin {gather*} \frac {1}{8} \, c^{3} x^{8} e + \frac {1}{7} \, c^{3} d x^{7} + \frac {3}{7} \, b c^{2} x^{7} e + \frac {1}{2} \, b c^{2} d x^{6} + \frac {1}{2} \, b^{2} c x^{6} e + \frac {1}{2} \, a c^{2} x^{6} e + \frac {3}{5} \, b^{2} c d x^{5} + \frac {3}{5} \, a c^{2} d x^{5} + \frac {1}{5} \, b^{3} x^{5} e + \frac {6}{5} \, a b c x^{5} e + \frac {1}{4} \, b^{3} d x^{4} + \frac {3}{2} \, a b c d x^{4} + \frac {3}{4} \, a b^{2} x^{4} e + \frac {3}{4} \, a^{2} c x^{4} e + a b^{2} d x^{3} + a^{2} c d x^{3} + a^{2} b x^{3} e + \frac {3}{2} \, a^{2} b d x^{2} + \frac {1}{2} \, a^{3} x^{2} e + a^{3} d x \end {gather*}

Verification of antiderivative is not currently implemented for this CAS.

[In]

integrate((e*x+d)*(c*x^2+b*x+a)^3,x, algorithm="giac")

[Out]

1/8*c^3*x^8*e + 1/7*c^3*d*x^7 + 3/7*b*c^2*x^7*e + 1/2*b*c^2*d*x^6 + 1/2*b^2*c*x^6*e + 1/2*a*c^2*x^6*e + 3/5*b^
2*c*d*x^5 + 3/5*a*c^2*d*x^5 + 1/5*b^3*x^5*e + 6/5*a*b*c*x^5*e + 1/4*b^3*d*x^4 + 3/2*a*b*c*d*x^4 + 3/4*a*b^2*x^
4*e + 3/4*a^2*c*x^4*e + a*b^2*d*x^3 + a^2*c*d*x^3 + a^2*b*x^3*e + 3/2*a^2*b*d*x^2 + 1/2*a^3*x^2*e + a^3*d*x

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maple [A]  time = 0.04, size = 223, normalized size = 1.39 \begin {gather*} \frac {c^{3} e \,x^{8}}{8}+\frac {\left (3 e b \,c^{2}+c^{3} d \right ) x^{7}}{7}+\frac {\left (3 b \,c^{2} d +\left (a \,c^{2}+2 b^{2} c +\left (2 a c +b^{2}\right ) c \right ) e \right ) x^{6}}{6}+a^{3} d x +\frac {\left (\left (a \,c^{2}+2 b^{2} c +\left (2 a c +b^{2}\right ) c \right ) d +\left (4 a b c +\left (2 a c +b^{2}\right ) b \right ) e \right ) x^{5}}{5}+\frac {\left (\left (4 a b c +\left (2 a c +b^{2}\right ) b \right ) d +\left (a^{2} c +2 a \,b^{2}+\left (2 a c +b^{2}\right ) a \right ) e \right ) x^{4}}{4}+\frac {\left (3 a^{2} b e +\left (a^{2} c +2 a \,b^{2}+\left (2 a c +b^{2}\right ) a \right ) d \right ) x^{3}}{3}+\frac {\left (a^{3} e +3 a^{2} b d \right ) x^{2}}{2} \end {gather*}

Verification of antiderivative is not currently implemented for this CAS.

[In]

int((e*x+d)*(c*x^2+b*x+a)^3,x)

[Out]

1/8*c^3*e*x^8+1/7*(3*b*c^2*e+c^3*d)*x^7+1/6*(3*b*c^2*d+e*(a*c^2+2*b^2*c+(2*a*c+b^2)*c))*x^6+1/5*(d*(a*c^2+2*b^
2*c+(2*a*c+b^2)*c)+e*(4*a*b*c+(2*a*c+b^2)*b))*x^5+1/4*(d*(4*a*b*c+(2*a*c+b^2)*b)+e*(a^2*c+2*a*b^2+(2*a*c+b^2)*
a))*x^4+1/3*(d*(a^2*c+2*a*b^2+(2*a*c+b^2)*a)+3*e*a^2*b)*x^3+1/2*(a^3*e+3*a^2*b*d)*x^2+a^3*d*x

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maxima [A]  time = 1.04, size = 163, normalized size = 1.01 \begin {gather*} \frac {1}{8} \, c^{3} e x^{8} + \frac {1}{7} \, {\left (c^{3} d + 3 \, b c^{2} e\right )} x^{7} + \frac {1}{2} \, {\left (b c^{2} d + {\left (b^{2} c + a c^{2}\right )} e\right )} x^{6} + \frac {1}{5} \, {\left (3 \, {\left (b^{2} c + a c^{2}\right )} d + {\left (b^{3} + 6 \, a b c\right )} e\right )} x^{5} + a^{3} d x + \frac {1}{4} \, {\left ({\left (b^{3} + 6 \, a b c\right )} d + 3 \, {\left (a b^{2} + a^{2} c\right )} e\right )} x^{4} + {\left (a^{2} b e + {\left (a b^{2} + a^{2} c\right )} d\right )} x^{3} + \frac {1}{2} \, {\left (3 \, a^{2} b d + a^{3} e\right )} x^{2} \end {gather*}

Verification of antiderivative is not currently implemented for this CAS.

[In]

integrate((e*x+d)*(c*x^2+b*x+a)^3,x, algorithm="maxima")

[Out]

1/8*c^3*e*x^8 + 1/7*(c^3*d + 3*b*c^2*e)*x^7 + 1/2*(b*c^2*d + (b^2*c + a*c^2)*e)*x^6 + 1/5*(3*(b^2*c + a*c^2)*d
+ (b^3 + 6*a*b*c)*e)*x^5 + a^3*d*x + 1/4*((b^3 + 6*a*b*c)*d + 3*(a*b^2 + a^2*c)*e)*x^4 + (a^2*b*e + (a*b^2 +
a^2*c)*d)*x^3 + 1/2*(3*a^2*b*d + a^3*e)*x^2

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mupad [B]  time = 0.78, size = 163, normalized size = 1.01 \begin {gather*} x^2\,\left (\frac {e\,a^3}{2}+\frac {3\,b\,d\,a^2}{2}\right )+x^7\,\left (\frac {d\,c^3}{7}+\frac {3\,b\,e\,c^2}{7}\right )+x^3\,\left (e\,a^2\,b+c\,d\,a^2+d\,a\,b^2\right )+x^6\,\left (\frac {e\,b^2\,c}{2}+\frac {d\,b\,c^2}{2}+\frac {a\,e\,c^2}{2}\right )+x^4\,\left (\frac {3\,c\,e\,a^2}{4}+\frac {3\,e\,a\,b^2}{4}+\frac {3\,c\,d\,a\,b}{2}+\frac {d\,b^3}{4}\right )+x^5\,\left (\frac {e\,b^3}{5}+\frac {3\,d\,b^2\,c}{5}+\frac {6\,a\,e\,b\,c}{5}+\frac {3\,a\,d\,c^2}{5}\right )+\frac {c^3\,e\,x^8}{8}+a^3\,d\,x \end {gather*}

Verification of antiderivative is not currently implemented for this CAS.

[In]

int((d + e*x)*(a + b*x + c*x^2)^3,x)

[Out]

x^2*((a^3*e)/2 + (3*a^2*b*d)/2) + x^7*((c^3*d)/7 + (3*b*c^2*e)/7) + x^3*(a*b^2*d + a^2*b*e + a^2*c*d) + x^6*((
a*c^2*e)/2 + (b*c^2*d)/2 + (b^2*c*e)/2) + x^4*((b^3*d)/4 + (3*a*b^2*e)/4 + (3*a^2*c*e)/4 + (3*a*b*c*d)/2) + x^
5*((b^3*e)/5 + (3*a*c^2*d)/5 + (3*b^2*c*d)/5 + (6*a*b*c*e)/5) + (c^3*e*x^8)/8 + a^3*d*x

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sympy [A]  time = 0.11, size = 190, normalized size = 1.18 \begin {gather*} a^{3} d x + \frac {c^{3} e x^{8}}{8} + x^{7} \left (\frac {3 b c^{2} e}{7} + \frac {c^{3} d}{7}\right ) + x^{6} \left (\frac {a c^{2} e}{2} + \frac {b^{2} c e}{2} + \frac {b c^{2} d}{2}\right ) + x^{5} \left (\frac {6 a b c e}{5} + \frac {3 a c^{2} d}{5} + \frac {b^{3} e}{5} + \frac {3 b^{2} c d}{5}\right ) + x^{4} \left (\frac {3 a^{2} c e}{4} + \frac {3 a b^{2} e}{4} + \frac {3 a b c d}{2} + \frac {b^{3} d}{4}\right ) + x^{3} \left (a^{2} b e + a^{2} c d + a b^{2} d\right ) + x^{2} \left (\frac {a^{3} e}{2} + \frac {3 a^{2} b d}{2}\right ) \end {gather*}

Verification of antiderivative is not currently implemented for this CAS.

[In]

integrate((e*x+d)*(c*x**2+b*x+a)**3,x)

[Out]

a**3*d*x + c**3*e*x**8/8 + x**7*(3*b*c**2*e/7 + c**3*d/7) + x**6*(a*c**2*e/2 + b**2*c*e/2 + b*c**2*d/2) + x**5
*(6*a*b*c*e/5 + 3*a*c**2*d/5 + b**3*e/5 + 3*b**2*c*d/5) + x**4*(3*a**2*c*e/4 + 3*a*b**2*e/4 + 3*a*b*c*d/2 + b*
*3*d/4) + x**3*(a**2*b*e + a**2*c*d + a*b**2*d) + x**2*(a**3*e/2 + 3*a**2*b*d/2)

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