3.2.81 \(\int (a+b \log (c x^n))^p (d+e \log (f x^r)) \, dx\) [181]

Optimal. Leaf size=271 \[ -e e^{-\frac {a}{b n}} r x \left (c x^n\right )^{-1/n} \Gamma \left (2+p,-\frac {a}{b n}-\frac {\log \left (c x^n\right )}{n}\right ) \left (a+b \log \left (c x^n\right )\right )^p \left (-\frac {a+b \log \left (c x^n\right )}{b n}\right )^{-p}-\frac {e e^{-\frac {a}{b n}} r x \left (c x^n\right )^{-1/n} \Gamma \left (1+p,-\frac {a}{b n}-\frac {\log \left (c x^n\right )}{n}\right ) \left (a+b \log \left (c x^n\right )\right )^{1+p} \left (-\frac {a+b \log \left (c x^n\right )}{b n}\right )^{-p}}{b n}+e^{-\frac {a}{b n}} x \left (c x^n\right )^{-1/n} \Gamma \left (1+p,-\frac {a+b \log \left (c x^n\right )}{b n}\right ) \left (a+b \log \left (c x^n\right )\right )^p \left (-\frac {a+b \log \left (c x^n\right )}{b n}\right )^{-p} \left (d+e \log \left (f x^r\right )\right ) \]

[Out]

-e*r*x*GAMMA(2+p,-a/b/n-ln(c*x^n)/n)*(a+b*ln(c*x^n))^p/exp(a/b/n)/((c*x^n)^(1/n))/(((-a-b*ln(c*x^n))/b/n)^p)-e
*r*x*GAMMA(1+p,-a/b/n-ln(c*x^n)/n)*(a+b*ln(c*x^n))^(1+p)/b/exp(a/b/n)/n/((c*x^n)^(1/n))/(((-a-b*ln(c*x^n))/b/n
)^p)+x*GAMMA(1+p,(-a-b*ln(c*x^n))/b/n)*(a+b*ln(c*x^n))^p*(d+e*ln(f*x^r))/exp(a/b/n)/((c*x^n)^(1/n))/(((-a-b*ln
(c*x^n))/b/n)^p)

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Rubi [A]
time = 0.12, antiderivative size = 271, normalized size of antiderivative = 1.00, number of steps used = 7, number of rules used = 7, integrand size = 23, \(\frac {\text {number of rules}}{\text {integrand size}}\) = 0.304, Rules used = {2337, 2212, 2408, 12, 15, 19, 6692} \begin {gather*} x e^{-\frac {a}{b n}} \left (c x^n\right )^{-1/n} \left (d+e \log \left (f x^r\right )\right ) \left (a+b \log \left (c x^n\right )\right )^p \left (-\frac {a+b \log \left (c x^n\right )}{b n}\right )^{-p} \text {Gamma}\left (p+1,-\frac {a+b \log \left (c x^n\right )}{b n}\right )-e r x e^{-\frac {a}{b n}} \left (c x^n\right )^{-1/n} \left (a+b \log \left (c x^n\right )\right )^p \left (-\frac {a+b \log \left (c x^n\right )}{b n}\right )^{-p} \text {Gamma}\left (p+2,-\frac {a}{b n}-\frac {\log \left (c x^n\right )}{n}\right )-\frac {e r x e^{-\frac {a}{b n}} \left (c x^n\right )^{-1/n} \left (a+b \log \left (c x^n\right )\right )^{p+1} \left (-\frac {a+b \log \left (c x^n\right )}{b n}\right )^{-p} \text {Gamma}\left (p+1,-\frac {a}{b n}-\frac {\log \left (c x^n\right )}{n}\right )}{b n} \end {gather*}

Antiderivative was successfully verified.

[In]

Int[(a + b*Log[c*x^n])^p*(d + e*Log[f*x^r]),x]

[Out]

-((e*r*x*Gamma[2 + p, -(a/(b*n)) - Log[c*x^n]/n]*(a + b*Log[c*x^n])^p)/(E^(a/(b*n))*(c*x^n)^n^(-1)*(-((a + b*L
og[c*x^n])/(b*n)))^p)) - (e*r*x*Gamma[1 + p, -(a/(b*n)) - Log[c*x^n]/n]*(a + b*Log[c*x^n])^(1 + p))/(b*E^(a/(b
*n))*n*(c*x^n)^n^(-1)*(-((a + b*Log[c*x^n])/(b*n)))^p) + (x*Gamma[1 + p, -((a + b*Log[c*x^n])/(b*n))]*(a + b*L
og[c*x^n])^p*(d + e*Log[f*x^r]))/(E^(a/(b*n))*(c*x^n)^n^(-1)*(-((a + b*Log[c*x^n])/(b*n)))^p)

Rule 12

Int[(a_)*(u_), x_Symbol] :> Dist[a, Int[u, x], x] /; FreeQ[a, x] &&  !MatchQ[u, (b_)*(v_) /; FreeQ[b, x]]

Rule 15

Int[(u_.)*((a_.)*(x_)^(n_))^(m_), x_Symbol] :> Dist[a^IntPart[m]*((a*x^n)^FracPart[m]/x^(n*FracPart[m])), Int[
u*x^(m*n), x], x] /; FreeQ[{a, m, n}, x] &&  !IntegerQ[m]

Rule 19

Int[(u_.)*((a_.)*(v_))^(m_)*((b_.)*(v_))^(n_), x_Symbol] :> Dist[a^(m + n)*((b*v)^n/(a*v)^n), Int[u*v^(m + n),
x], x] /; FreeQ[{a, b, m, n}, x] &&  !IntegerQ[m] &&  !IntegerQ[n] && IntegerQ[m + n]

Rule 2212

Int[(F_)^((g_.)*((e_.) + (f_.)*(x_)))*((c_.) + (d_.)*(x_))^(m_), x_Symbol] :> Simp[(-F^(g*(e - c*(f/d))))*((c
+ d*x)^FracPart[m]/(d*((-f)*g*(Log[F]/d))^(IntPart[m] + 1)*((-f)*g*Log[F]*((c + d*x)/d))^FracPart[m]))*Gamma[m
+ 1, ((-f)*g*(Log[F]/d))*(c + d*x)], x] /; FreeQ[{F, c, d, e, f, g, m}, x] &&  !IntegerQ[m]

Rule 2337

Int[((a_.) + Log[(c_.)*(x_)^(n_.)]*(b_.))^(p_), x_Symbol] :> Dist[x/(n*(c*x^n)^(1/n)), Subst[Int[E^(x/n)*(a +
b*x)^p, x], x, Log[c*x^n]], x] /; FreeQ[{a, b, c, n, p}, x]

Rule 2408

Int[((a_.) + Log[(c_.)*(x_)^(n_.)]*(b_.))^(p_.)*((d_.) + Log[(f_.)*(x_)^(r_.)]*(e_.)), x_Symbol] :> With[{u =
IntHide[(a + b*Log[c*x^n])^p, x]}, Dist[d + e*Log[f*x^r], u, x] - Dist[e*r, Int[SimplifyIntegrand[u/x, x], x],
x]] /; FreeQ[{a, b, c, d, e, f, n, p, r}, x]

Rule 6692

Int[Gamma[n_, (a_.) + (b_.)*(x_)], x_Symbol] :> Simp[(a + b*x)*(Gamma[n, a + b*x]/b), x] - Simp[Gamma[n + 1, a
+ b*x]/b, x] /; FreeQ[{a, b, n}, x]

Rubi steps

\begin {align*} \int \left (a+b \log \left (c x^n\right )\right )^p \left (d+e \log \left (f x^r\right )\right ) \, dx &=e^{-\frac {a}{b n}} x \left (c x^n\right )^{-1/n} \Gamma \left (1+p,-\frac {a+b \log \left (c x^n\right )}{b n}\right ) \left (a+b \log \left (c x^n\right )\right )^p \left (-\frac {a+b \log \left (c x^n\right )}{b n}\right )^{-p} \left (d+e \log \left (f x^r\right )\right )-(e r) \int e^{-\frac {a}{b n}} \left (c x^n\right )^{-1/n} \Gamma \left (1+p,-\frac {a+b \log \left (c x^n\right )}{b n}\right ) \left (a+b \log \left (c x^n\right )\right )^p \left (-\frac {a+b \log \left (c x^n\right )}{b n}\right )^{-p} \, dx\\ &=e^{-\frac {a}{b n}} x \left (c x^n\right )^{-1/n} \Gamma \left (1+p,-\frac {a+b \log \left (c x^n\right )}{b n}\right ) \left (a+b \log \left (c x^n\right )\right )^p \left (-\frac {a+b \log \left (c x^n\right )}{b n}\right )^{-p} \left (d+e \log \left (f x^r\right )\right )-\left (e e^{-\frac {a}{b n}} r\right ) \int \left (c x^n\right )^{-1/n} \Gamma \left (1+p,-\frac {a+b \log \left (c x^n\right )}{b n}\right ) \left (a+b \log \left (c x^n\right )\right )^p \left (-\frac {a+b \log \left (c x^n\right )}{b n}\right )^{-p} \, dx\\ &=e^{-\frac {a}{b n}} x \left (c x^n\right )^{-1/n} \Gamma \left (1+p,-\frac {a+b \log \left (c x^n\right )}{b n}\right ) \left (a+b \log \left (c x^n\right )\right )^p \left (-\frac {a+b \log \left (c x^n\right )}{b n}\right )^{-p} \left (d+e \log \left (f x^r\right )\right )-\left (e e^{-\frac {a}{b n}} r x \left (c x^n\right )^{-1/n}\right ) \int \frac {\Gamma \left (1+p,-\frac {a+b \log \left (c x^n\right )}{b n}\right ) \left (a+b \log \left (c x^n\right )\right )^p \left (-\frac {a+b \log \left (c x^n\right )}{b n}\right )^{-p}}{x} \, dx\\ &=e^{-\frac {a}{b n}} x \left (c x^n\right )^{-1/n} \Gamma \left (1+p,-\frac {a+b \log \left (c x^n\right )}{b n}\right ) \left (a+b \log \left (c x^n\right )\right )^p \left (-\frac {a+b \log \left (c x^n\right )}{b n}\right )^{-p} \left (d+e \log \left (f x^r\right )\right )-\left (e e^{-\frac {a}{b n}} r x \left (c x^n\right )^{-1/n} \left (a+b \log \left (c x^n\right )\right )^p \left (-\frac {a+b \log \left (c x^n\right )}{b n}\right )^{-p}\right ) \int \frac {\Gamma \left (1+p,-\frac {a+b \log \left (c x^n\right )}{b n}\right )}{x} \, dx\\ &=e^{-\frac {a}{b n}} x \left (c x^n\right )^{-1/n} \Gamma \left (1+p,-\frac {a+b \log \left (c x^n\right )}{b n}\right ) \left (a+b \log \left (c x^n\right )\right )^p \left (-\frac {a+b \log \left (c x^n\right )}{b n}\right )^{-p} \left (d+e \log \left (f x^r\right )\right )-\frac {\left (e e^{-\frac {a}{b n}} r x \left (c x^n\right )^{-1/n} \left (a+b \log \left (c x^n\right )\right )^p \left (-\frac {a+b \log \left (c x^n\right )}{b n}\right )^{-p}\right ) \text {Subst}\left (\int \Gamma \left (1+p,-\frac {a+b x}{b n}\right ) \, dx,x,\log \left (c x^n\right )\right )}{n}\\ &=e^{-\frac {a}{b n}} x \left (c x^n\right )^{-1/n} \Gamma \left (1+p,-\frac {a+b \log \left (c x^n\right )}{b n}\right ) \left (a+b \log \left (c x^n\right )\right )^p \left (-\frac {a+b \log \left (c x^n\right )}{b n}\right )^{-p} \left (d+e \log \left (f x^r\right )\right )+\left (e e^{-\frac {a}{b n}} r x \left (c x^n\right )^{-1/n} \left (a+b \log \left (c x^n\right )\right )^p \left (-\frac {a+b \log \left (c x^n\right )}{b n}\right )^{-p}\right ) \text {Subst}\left (\int \Gamma (1+p,x) \, dx,x,-\frac {a}{b n}-\frac {\log \left (c x^n\right )}{n}\right )\\ &=-e e^{-\frac {a}{b n}} r x \left (c x^n\right )^{-1/n} \Gamma \left (2+p,-\frac {a}{b n}-\frac {\log \left (c x^n\right )}{n}\right ) \left (a+b \log \left (c x^n\right )\right )^p \left (-\frac {a+b \log \left (c x^n\right )}{b n}\right )^{-p}-e e^{-\frac {a}{b n}} r x \left (c x^n\right )^{-1/n} \Gamma \left (1+p,-\frac {a}{b n}-\frac {\log \left (c x^n\right )}{n}\right ) \left (a+b \log \left (c x^n\right )\right )^p \left (-\frac {a+b \log \left (c x^n\right )}{b n}\right )^{-p} \left (\frac {a}{b n}+\frac {\log \left (c x^n\right )}{n}\right )+e^{-\frac {a}{b n}} x \left (c x^n\right )^{-1/n} \Gamma \left (1+p,-\frac {a+b \log \left (c x^n\right )}{b n}\right ) \left (a+b \log \left (c x^n\right )\right )^p \left (-\frac {a+b \log \left (c x^n\right )}{b n}\right )^{-p} \left (d+e \log \left (f x^r\right )\right )\\ \end {align*}

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Mathematica [A]
time = 0.23, size = 146, normalized size = 0.54 \begin {gather*} -e^{-\frac {a}{b n}} x \left (c x^n\right )^{-1/n} \left (a+b \log \left (c x^n\right )\right )^{-1+p} \left (-\frac {a+b \log \left (c x^n\right )}{b n}\right )^{1-p} \left (-b e n r \Gamma \left (2+p,-\frac {a+b \log \left (c x^n\right )}{b n}\right )+\Gamma \left (1+p,-\frac {a+b \log \left (c x^n\right )}{b n}\right ) \left (b d n-a e r-b e r \log \left (c x^n\right )+b e n \log \left (f x^r\right )\right )\right ) \end {gather*}

Antiderivative was successfully verified.

[In]

Integrate[(a + b*Log[c*x^n])^p*(d + e*Log[f*x^r]),x]

[Out]

-((x*(a + b*Log[c*x^n])^(-1 + p)*(-((a + b*Log[c*x^n])/(b*n)))^(1 - p)*(-(b*e*n*r*Gamma[2 + p, -((a + b*Log[c*
x^n])/(b*n))]) + Gamma[1 + p, -((a + b*Log[c*x^n])/(b*n))]*(b*d*n - a*e*r - b*e*r*Log[c*x^n] + b*e*n*Log[f*x^r
])))/(E^(a/(b*n))*(c*x^n)^n^(-1)))

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Maple [F]
time = 0.03, size = 0, normalized size = 0.00 \[\int \left (a +b \ln \left (c \,x^{n}\right )\right )^{p} \left (d +e \ln \left (f \,x^{r}\right )\right )\, dx\]

Verification of antiderivative is not currently implemented for this CAS.

[In]

int((a+b*ln(c*x^n))^p*(d+e*ln(f*x^r)),x)

[Out]

int((a+b*ln(c*x^n))^p*(d+e*ln(f*x^r)),x)

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Maxima [F(-2)]
time = 0.00, size = 0, normalized size = 0.00 \begin {gather*} \text {Exception raised: RuntimeError} \end {gather*}

Verification of antiderivative is not currently implemented for this CAS.

[In]

integrate((a+b*log(c*x^n))^p*(d+e*log(f*x^r)),x, algorithm="maxima")

[Out]

Exception raised: RuntimeError >> ECL says: In function CAR, the value of the first argument is  0which is not
of the expected type LIST

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Fricas [A]
time = 0.09, size = 134, normalized size = 0.49 \begin {gather*} -\frac {{\left (b r e \log \left (c\right ) - b n e \log \left (f\right ) - b d n + {\left (b n p + b n + a\right )} r e\right )} e^{\left (-\frac {b n p \log \left (-\frac {1}{b n}\right ) + b \log \left (c\right ) + a}{b n}\right )} \Gamma \left (p + 1, -\frac {b n \log \left (x\right ) + b \log \left (c\right ) + a}{b n}\right ) - {\left (b n r x e \log \left (x\right ) + b r x e \log \left (c\right ) + a r x e\right )} {\left (b n \log \left (x\right ) + b \log \left (c\right ) + a\right )}^{p}}{b n} \end {gather*}

Verification of antiderivative is not currently implemented for this CAS.

[In]

integrate((a+b*log(c*x^n))^p*(d+e*log(f*x^r)),x, algorithm="fricas")

[Out]

-((b*r*e*log(c) - b*n*e*log(f) - b*d*n + (b*n*p + b*n + a)*r*e)*e^(-(b*n*p*log(-1/(b*n)) + b*log(c) + a)/(b*n)
)*gamma(p + 1, -(b*n*log(x) + b*log(c) + a)/(b*n)) - (b*n*r*x*e*log(x) + b*r*x*e*log(c) + a*r*x*e)*(b*n*log(x)
+ b*log(c) + a)^p)/(b*n)

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Sympy [F]
time = 0.00, size = 0, normalized size = 0.00 \begin {gather*} \int \left (a + b \log {\left (c x^{n} \right )}\right )^{p} \left (d + e \log {\left (f x^{r} \right )}\right )\, dx \end {gather*}

Verification of antiderivative is not currently implemented for this CAS.

[In]

integrate((a+b*ln(c*x**n))**p*(d+e*ln(f*x**r)),x)

[Out]

Integral((a + b*log(c*x**n))**p*(d + e*log(f*x**r)), x)

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Giac [F]
time = 0.00, size = 0, normalized size = 0.00 \begin {gather*} \text {could not integrate} \end {gather*}

Verification of antiderivative is not currently implemented for this CAS.

[In]

integrate((a+b*log(c*x^n))^p*(d+e*log(f*x^r)),x, algorithm="giac")

[Out]

integrate((e*log(f*x^r) + d)*(b*log(c*x^n) + a)^p, x)

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Mupad [F]
time = 0.00, size = -1, normalized size = -0.00 \begin {gather*} \int \left (d+e\,\ln \left (f\,x^r\right )\right )\,{\left (a+b\,\ln \left (c\,x^n\right )\right )}^p \,d x \end {gather*}

Verification of antiderivative is not currently implemented for this CAS.

[In]

int((d + e*log(f*x^r))*(a + b*log(c*x^n))^p,x)

[Out]

int((d + e*log(f*x^r))*(a + b*log(c*x^n))^p, x)

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