3.1.24 \(\int \frac {(d+e x)^3 (a+b \log (c x^n))}{x^2} \, dx\) [24]

Optimal. Leaf size=119 \[ -\frac {b d^3 n}{x}-3 b d e^2 n x-\frac {1}{4} b e^3 n x^2-\frac {3}{2} b d^2 e n \log ^2(x)-\frac {d^3 \left (a+b \log \left (c x^n\right )\right )}{x}+3 d e^2 x \left (a+b \log \left (c x^n\right )\right )+\frac {1}{2} e^3 x^2 \left (a+b \log \left (c x^n\right )\right )+3 d^2 e \log (x) \left (a+b \log \left (c x^n\right )\right ) \]

[Out]

-b*d^3*n/x-3*b*d*e^2*n*x-1/4*b*e^3*n*x^2-3/2*b*d^2*e*n*ln(x)^2-d^3*(a+b*ln(c*x^n))/x+3*d*e^2*x*(a+b*ln(c*x^n))
+1/2*e^3*x^2*(a+b*ln(c*x^n))+3*d^2*e*ln(x)*(a+b*ln(c*x^n))

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Rubi [A]
time = 0.06, antiderivative size = 119, normalized size of antiderivative = 1.00, number of steps used = 3, number of rules used = 3, integrand size = 21, \(\frac {\text {number of rules}}{\text {integrand size}}\) = 0.143, Rules used = {45, 2372, 2338} \begin {gather*} -\frac {d^3 \left (a+b \log \left (c x^n\right )\right )}{x}+3 d^2 e \log (x) \left (a+b \log \left (c x^n\right )\right )+3 d e^2 x \left (a+b \log \left (c x^n\right )\right )+\frac {1}{2} e^3 x^2 \left (a+b \log \left (c x^n\right )\right )-\frac {b d^3 n}{x}-\frac {3}{2} b d^2 e n \log ^2(x)-3 b d e^2 n x-\frac {1}{4} b e^3 n x^2 \end {gather*}

Antiderivative was successfully verified.

[In]

Int[((d + e*x)^3*(a + b*Log[c*x^n]))/x^2,x]

[Out]

-((b*d^3*n)/x) - 3*b*d*e^2*n*x - (b*e^3*n*x^2)/4 - (3*b*d^2*e*n*Log[x]^2)/2 - (d^3*(a + b*Log[c*x^n]))/x + 3*d
*e^2*x*(a + b*Log[c*x^n]) + (e^3*x^2*(a + b*Log[c*x^n]))/2 + 3*d^2*e*Log[x]*(a + b*Log[c*x^n])

Rule 45

Int[((a_.) + (b_.)*(x_))^(m_.)*((c_.) + (d_.)*(x_))^(n_.), x_Symbol] :> Int[ExpandIntegrand[(a + b*x)^m*(c + d
*x)^n, x], x] /; FreeQ[{a, b, c, d, n}, x] && NeQ[b*c - a*d, 0] && IGtQ[m, 0] && ( !IntegerQ[n] || (EqQ[c, 0]
&& LeQ[7*m + 4*n + 4, 0]) || LtQ[9*m + 5*(n + 1), 0] || GtQ[m + n + 2, 0])

Rule 2338

Int[((a_.) + Log[(c_.)*(x_)^(n_.)]*(b_.))/(x_), x_Symbol] :> Simp[(a + b*Log[c*x^n])^2/(2*b*n), x] /; FreeQ[{a
, b, c, n}, x]

Rule 2372

Int[((a_.) + Log[(c_.)*(x_)^(n_.)]*(b_.))*(x_)^(m_.)*((d_) + (e_.)*(x_)^(r_.))^(q_.), x_Symbol] :> With[{u = I
ntHide[x^m*(d + e*x^r)^q, x]}, Dist[a + b*Log[c*x^n], u, x] - Dist[b*n, Int[SimplifyIntegrand[u/x, x], x], x]]
/; FreeQ[{a, b, c, d, e, n, r}, x] && IGtQ[q, 0] && IntegerQ[m] &&  !(EqQ[q, 1] && EqQ[m, -1])

Rubi steps

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

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Mathematica [A]
time = 0.05, size = 118, normalized size = 0.99 \begin {gather*} -\frac {b d^3 n}{x}+3 a d e^2 x-3 b d e^2 n x-\frac {1}{4} b e^3 n x^2+3 b d e^2 x \log \left (c x^n\right )-\frac {d^3 \left (a+b \log \left (c x^n\right )\right )}{x}+\frac {1}{2} e^3 x^2 \left (a+b \log \left (c x^n\right )\right )+\frac {3 d^2 e \left (a+b \log \left (c x^n\right )\right )^2}{2 b n} \end {gather*}

Antiderivative was successfully verified.

[In]

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

[Out]

-((b*d^3*n)/x) + 3*a*d*e^2*x - 3*b*d*e^2*n*x - (b*e^3*n*x^2)/4 + 3*b*d*e^2*x*Log[c*x^n] - (d^3*(a + b*Log[c*x^
n]))/x + (e^3*x^2*(a + b*Log[c*x^n]))/2 + (3*d^2*e*(a + b*Log[c*x^n])^2)/(2*b*n)

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Maple [C] Result contains higher order function than in optimal. Order 9 vs. order 3.
time = 0.18, size = 588, normalized size = 4.94

method	result	size
risch	\(-\frac {b \left (-e^{3} x^{3}-6 d^{2} e \ln \left (x \right ) x -6 d \,e^{2} x^{2}+2 d^{3}\right ) \ln \left (x^{n}\right )}{2 x}-\frac {-6 i \pi b d \,e^{2} x^{2} \mathrm {csgn}\left (i c \right ) \mathrm {csgn}\left (i c \,x^{n}\right )^{2}-2 \ln \left (c \right ) b \,e^{3} x^{3}-12 \ln \left (x \right ) \ln \left (c \right ) b \,d^{2} e x +6 e \,d^{2} b n \ln \left (x \right )^{2} x +i \pi b \,e^{3} x^{3} \mathrm {csgn}\left (i c \,x^{n}\right )^{3}+6 i \pi b d \,e^{2} x^{2} \mathrm {csgn}\left (i c \right ) \mathrm {csgn}\left (i x^{n}\right ) \mathrm {csgn}\left (i c \,x^{n}\right )+4 a \,d^{3}-12 \ln \left (x \right ) a \,d^{2} e x -12 a d \,e^{2} x^{2}-2 a \,e^{3} x^{3}+4 b \,d^{3} n +4 d^{3} b \ln \left (c \right )+6 i \ln \left (x \right ) \pi b \,d^{2} e \mathrm {csgn}\left (i c \,x^{n}\right )^{3} x -12 \ln \left (c \right ) b d \,e^{2} x^{2}-6 i \pi b d \,e^{2} x^{2} \mathrm {csgn}\left (i x^{n}\right ) \mathrm {csgn}\left (i c \,x^{n}\right )^{2}+6 i \ln \left (x \right ) \pi b \,d^{2} e \,\mathrm {csgn}\left (i c \right ) \mathrm {csgn}\left (i x^{n}\right ) \mathrm {csgn}\left (i c \,x^{n}\right ) x +b \,e^{3} n \,x^{3}-i \pi b \,e^{3} x^{3} \mathrm {csgn}\left (i c \right ) \mathrm {csgn}\left (i c \,x^{n}\right )^{2}+12 b d \,e^{2} n \,x^{2}+i \pi b \,e^{3} x^{3} \mathrm {csgn}\left (i c \right ) \mathrm {csgn}\left (i x^{n}\right ) \mathrm {csgn}\left (i c \,x^{n}\right )+2 i \pi b \,d^{3} \mathrm {csgn}\left (i c \right ) \mathrm {csgn}\left (i c \,x^{n}\right )^{2}+2 i \pi b \,d^{3} \mathrm {csgn}\left (i x^{n}\right ) \mathrm {csgn}\left (i c \,x^{n}\right )^{2}-6 i \ln \left (x \right ) \pi b \,d^{2} e \,\mathrm {csgn}\left (i c \right ) \mathrm {csgn}\left (i c \,x^{n}\right )^{2} x -6 i \ln \left (x \right ) \pi b \,d^{2} e \,\mathrm {csgn}\left (i x^{n}\right ) \mathrm {csgn}\left (i c \,x^{n}\right )^{2} x -2 i \pi b \,d^{3} \mathrm {csgn}\left (i c \right ) \mathrm {csgn}\left (i x^{n}\right ) \mathrm {csgn}\left (i c \,x^{n}\right )-2 i \pi b \,d^{3} \mathrm {csgn}\left (i c \,x^{n}\right )^{3}-i \pi b \,e^{3} x^{3} \mathrm {csgn}\left (i x^{n}\right ) \mathrm {csgn}\left (i c \,x^{n}\right )^{2}+6 i \pi b d \,e^{2} x^{2} \mathrm {csgn}\left (i c \,x^{n}\right )^{3}}{4 x}\)	\(588\)

Verification of antiderivative is not currently implemented for this CAS.

[In]

int((e*x+d)^3*(a+b*ln(c*x^n))/x^2,x,method=_RETURNVERBOSE)

[Out]

-1/2*b*(-e^3*x^3-6*d^2*e*ln(x)*x-6*d*e^2*x^2+2*d^3)/x*ln(x^n)-1/4*(-I*Pi*b*e^3*x^3*csgn(I*c)*csgn(I*c*x^n)^2-I
*Pi*b*e^3*x^3*csgn(I*x^n)*csgn(I*c*x^n)^2-6*I*Pi*b*d*e^2*x^2*csgn(I*x^n)*csgn(I*c*x^n)^2-2*ln(c)*b*e^3*x^3-12*
ln(x)*ln(c)*b*d^2*e*x+6*e*d^2*b*n*ln(x)^2*x+4*a*d^3-12*ln(x)*a*d^2*e*x+I*Pi*b*e^3*x^3*csgn(I*c*x^n)^3+2*I*Pi*b
*d^3*csgn(I*c)*csgn(I*c*x^n)^2+2*I*Pi*b*d^3*csgn(I*x^n)*csgn(I*c*x^n)^2-12*a*d*e^2*x^2-2*a*e^3*x^3+4*b*d^3*n+4
*d^3*b*ln(c)-12*ln(c)*b*d*e^2*x^2+6*I*ln(x)*Pi*b*d^2*e*csgn(I*c*x^n)^3*x+I*Pi*b*e^3*x^3*csgn(I*c)*csgn(I*x^n)*
csgn(I*c*x^n)-6*I*Pi*b*d*e^2*x^2*csgn(I*c)*csgn(I*c*x^n)^2+6*I*ln(x)*Pi*b*d^2*e*csgn(I*c)*csgn(I*x^n)*csgn(I*c
*x^n)*x+b*e^3*n*x^3+6*I*Pi*b*d*e^2*x^2*csgn(I*c)*csgn(I*x^n)*csgn(I*c*x^n)-6*I*ln(x)*Pi*b*d^2*e*csgn(I*c)*csgn
(I*c*x^n)^2*x-6*I*ln(x)*Pi*b*d^2*e*csgn(I*x^n)*csgn(I*c*x^n)^2*x-2*I*Pi*b*d^3*csgn(I*c*x^n)^3+12*b*d*e^2*n*x^2
-2*I*Pi*b*d^3*csgn(I*c)*csgn(I*x^n)*csgn(I*c*x^n)+6*I*Pi*b*d*e^2*x^2*csgn(I*c*x^n)^3)/x

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Maxima [A]
time = 0.28, size = 123, normalized size = 1.03 \begin {gather*} -\frac {1}{4} \, b n x^{2} e^{3} - 3 \, b d n x e^{2} + \frac {1}{2} \, b x^{2} e^{3} \log \left (c x^{n}\right ) + 3 \, b d x e^{2} \log \left (c x^{n}\right ) + \frac {3 \, b d^{2} e \log \left (c x^{n}\right )^{2}}{2 \, n} + 3 \, a d^{2} e \log \left (x\right ) - \frac {b d^{3} n}{x} + \frac {1}{2} \, a x^{2} e^{3} + 3 \, a d x e^{2} - \frac {b d^{3} \log \left (c x^{n}\right )}{x} - \frac {a d^{3}}{x} \end {gather*}

Verification of antiderivative is not currently implemented for this CAS.

[In]

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

[Out]

-1/4*b*n*x^2*e^3 - 3*b*d*n*x*e^2 + 1/2*b*x^2*e^3*log(c*x^n) + 3*b*d*x*e^2*log(c*x^n) + 3/2*b*d^2*e*log(c*x^n)^
2/n + 3*a*d^2*e*log(x) - b*d^3*n/x + 1/2*a*x^2*e^3 + 3*a*d*x*e^2 - b*d^3*log(c*x^n)/x - a*d^3/x

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Fricas [A]
time = 0.36, size = 140, normalized size = 1.18 \begin {gather*} \frac {6 \, b d^{2} n x e \log \left (x\right )^{2} - 4 \, b d^{3} n - {\left (b n - 2 \, a\right )} x^{3} e^{3} - 4 \, a d^{3} - 12 \, {\left (b d n - a d\right )} x^{2} e^{2} + 2 \, {\left (b x^{3} e^{3} + 6 \, b d x^{2} e^{2} - 2 \, b d^{3}\right )} \log \left (c\right ) + 2 \, {\left (b n x^{3} e^{3} + 6 \, b d n x^{2} e^{2} + 6 \, b d^{2} x e \log \left (c\right ) - 2 \, b d^{3} n + 6 \, a d^{2} x e\right )} \log \left (x\right )}{4 \, x} \end {gather*}

Verification of antiderivative is not currently implemented for this CAS.

[In]

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

[Out]

1/4*(6*b*d^2*n*x*e*log(x)^2 - 4*b*d^3*n - (b*n - 2*a)*x^3*e^3 - 4*a*d^3 - 12*(b*d*n - a*d)*x^2*e^2 + 2*(b*x^3*
e^3 + 6*b*d*x^2*e^2 - 2*b*d^3)*log(c) + 2*(b*n*x^3*e^3 + 6*b*d*n*x^2*e^2 + 6*b*d^2*x*e*log(c) - 2*b*d^3*n + 6*
a*d^2*x*e)*log(x))/x

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Sympy [A]
time = 0.52, size = 182, normalized size = 1.53 \begin {gather*} \begin {cases} - \frac {a d^{3}}{x} + \frac {3 a d^{2} e \log {\left (c x^{n} \right )}}{n} + 3 a d e^{2} x + \frac {a e^{3} x^{2}}{2} - \frac {b d^{3} n}{x} - \frac {b d^{3} \log {\left (c x^{n} \right )}}{x} + \frac {3 b d^{2} e \log {\left (c x^{n} \right )}^{2}}{2 n} - 3 b d e^{2} n x + 3 b d e^{2} x \log {\left (c x^{n} \right )} - \frac {b e^{3} n x^{2}}{4} + \frac {b e^{3} x^{2} \log {\left (c x^{n} \right )}}{2} & \text {for}\: n \neq 0 \\\left (a + b \log {\left (c \right )}\right ) \left (- \frac {d^{3}}{x} + 3 d^{2} e \log {\left (x \right )} + 3 d e^{2} x + \frac {e^{3} x^{2}}{2}\right ) & \text {otherwise} \end {cases} \end {gather*}

Verification of antiderivative is not currently implemented for this CAS.

[In]

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

[Out]

Piecewise((-a*d**3/x + 3*a*d**2*e*log(c*x**n)/n + 3*a*d*e**2*x + a*e**3*x**2/2 - b*d**3*n/x - b*d**3*log(c*x**
n)/x + 3*b*d**2*e*log(c*x**n)**2/(2*n) - 3*b*d*e**2*n*x + 3*b*d*e**2*x*log(c*x**n) - b*e**3*n*x**2/4 + b*e**3*
x**2*log(c*x**n)/2, Ne(n, 0)), ((a + b*log(c))*(-d**3/x + 3*d**2*e*log(x) + 3*d*e**2*x + e**3*x**2/2), True))

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Giac [A]
time = 2.18, size = 154, normalized size = 1.29 \begin {gather*} \frac {6 \, b d^{2} n x e \log \left (x\right )^{2} + 2 \, b n x^{3} e^{3} \log \left (x\right ) + 12 \, b d n x^{2} e^{2} \log \left (x\right ) + 12 \, b d^{2} x e \log \left (c\right ) \log \left (x\right ) - b n x^{3} e^{3} - 12 \, b d n x^{2} e^{2} + 2 \, b x^{3} e^{3} \log \left (c\right ) + 12 \, b d x^{2} e^{2} \log \left (c\right ) - 4 \, b d^{3} n \log \left (x\right ) + 12 \, a d^{2} x e \log \left (x\right ) - 4 \, b d^{3} n + 2 \, a x^{3} e^{3} + 12 \, a d x^{2} e^{2} - 4 \, b d^{3} \log \left (c\right ) - 4 \, a d^{3}}{4 \, x} \end {gather*}

Verification of antiderivative is not currently implemented for this CAS.

[In]

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

[Out]

1/4*(6*b*d^2*n*x*e*log(x)^2 + 2*b*n*x^3*e^3*log(x) + 12*b*d*n*x^2*e^2*log(x) + 12*b*d^2*x*e*log(c)*log(x) - b*
n*x^3*e^3 - 12*b*d*n*x^2*e^2 + 2*b*x^3*e^3*log(c) + 12*b*d*x^2*e^2*log(c) - 4*b*d^3*n*log(x) + 12*a*d^2*x*e*lo
g(x) - 4*b*d^3*n + 2*a*x^3*e^3 + 12*a*d*x^2*e^2 - 4*b*d^3*log(c) - 4*a*d^3)/x

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Mupad [B]
time = 3.65, size = 154, normalized size = 1.29 \begin {gather*} \ln \left (x\right )\,\left (3\,a\,d^2\,e+3\,b\,d^2\,e\,n\right )-\ln \left (c\,x^n\right )\,\left (\frac {b\,d^3+3\,b\,d^2\,e\,x+3\,b\,d\,e^2\,x^2+b\,e^3\,x^3}{x}-\frac {\frac {3\,b\,e^3\,x^3}{2}+6\,b\,d\,e^2\,x^2}{x}\right )-\frac {a\,d^3+b\,d^3\,n}{x}+\frac {e^3\,x^2\,\left (2\,a-b\,n\right )}{4}+3\,d\,e^2\,x\,\left (a-b\,n\right )+\frac {3\,b\,d^2\,e\,{\ln \left (c\,x^n\right )}^2}{2\,n} \end {gather*}

Verification of antiderivative is not currently implemented for this CAS.

[In]

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

[Out]

log(x)*(3*a*d^2*e + 3*b*d^2*e*n) - log(c*x^n)*((b*d^3 + b*e^3*x^3 + 3*b*d^2*e*x + 3*b*d*e^2*x^2)/x - ((3*b*e^3
*x^3)/2 + 6*b*d*e^2*x^2)/x) - (a*d^3 + b*d^3*n)/x + (e^3*x^2*(2*a - b*n))/4 + 3*d*e^2*x*(a - b*n) + (3*b*d^2*e
*log(c*x^n)^2)/(2*n)

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