3.1.14 \(\int \frac {\log (c x^n)}{x (a x^m+b \log ^2(c x^n))^2} \, dx\) [14]

Optimal. Leaf size=68 \[ -\frac {1}{2 b n \left (a x^m+b \log ^2\left (c x^n\right )\right )}-\frac {a m \text {Int}\left (\frac {x^{-1+m}}{\left (a x^m+b \log ^2\left (c x^n\right )\right )^2},x\right )}{2 b n} \]

[Out]

-1/2*a*m*CannotIntegrate(x^(-1+m)/(a*x^m+b*ln(c*x^n)^2)^2,x)/b/n-1/2/b/n/(a*x^m+b*ln(c*x^n)^2)

________________________________________________________________________________________

Rubi [A]
time = 0.13, antiderivative size = 0, normalized size of antiderivative = 0.00, number of steps used = 0, number of rules used = 0, integrand size = 0, \(\frac {\text {number of rules}}{\text {integrand size}}\) = 0.000, Rules used = {} \begin {gather*} \int \frac {\log \left (c x^n\right )}{x \left (a x^m+b \log ^2\left (c x^n\right )\right )^2} \, dx \end {gather*}

Verification is not applicable to the result.

[In]

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

[Out]

-1/2*1/(b*n*(a*x^m + b*Log[c*x^n]^2)) - (a*m*Defer[Int][x^(-1 + m)/(a*x^m + b*Log[c*x^n]^2)^2, x])/(2*b*n)

Rubi steps

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

________________________________________________________________________________________

Mathematica [A]
time = 1.22, size = 0, normalized size = 0.00 \begin {gather*} \int \frac {\log \left (c x^n\right )}{x \left (a x^m+b \log ^2\left (c x^n\right )\right )^2} \, dx \end {gather*}

Verification is not applicable to the result.

[In]

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

[Out]

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

________________________________________________________________________________________

Maple [A]
time = 0.01, size = 0, normalized size = 0.00 \[\int \frac {\ln \left (c \,x^{n}\right )}{x \left (a \,x^{m}+b \ln \left (c \,x^{n}\right )^{2}\right )^{2}}\, dx\]

Verification of antiderivative is not currently implemented for this CAS.

[In]

int(ln(c*x^n)/x/(a*x^m+b*ln(c*x^n)^2)^2,x)

[Out]

int(ln(c*x^n)/x/(a*x^m+b*ln(c*x^n)^2)^2,x)

________________________________________________________________________________________

Maxima [A]
time = 0.00, size = 0, normalized size = 0.00 \begin {gather*} \text {Failed to integrate} \end {gather*}

Verification of antiderivative is not currently implemented for this CAS.

[In]

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

[Out]

-(m*log(c) + m*log(x^n) + 2*n)/(4*b^2*n^2*log(c)^2 + a^2*m^2*x^(2*m) + (m^2*log(c)^2 + 4*n^2)*a*b*x^m + (a*b*m
^2*x^m + 4*b^2*n^2)*log(x^n)^2 + 2*(a*b*m^2*x^m*log(c) + 4*b^2*n^2*log(c))*log(x^n)) - integrate((a*m^4*x^m*lo
g(x^n) + 4*b*m*n^3 + (m^4*log(c) + 3*m^3*n)*a*x^m)/(16*b^3*n^4*x*log(c)^2 + a^3*m^4*x*x^(3*m) + (m^4*log(c)^2
+ 8*m^2*n^2)*a^2*b*x*x^(2*m) + 8*(m^2*n^2*log(c)^2 + 2*n^4)*a*b^2*x*x^m + (a^2*b*m^4*x*x^(2*m) + 8*a*b^2*m^2*n
^2*x*x^m + 16*b^3*n^4*x)*log(x^n)^2 + 2*(a^2*b*m^4*x*x^(2*m)*log(c) + 8*a*b^2*m^2*n^2*x*x^m*log(c) + 16*b^3*n^
4*x*log(c))*log(x^n)), x)

________________________________________________________________________________________

Fricas [A]
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(log(c*x^n)/x/(a*x^m+b*log(c*x^n)^2)^2,x, algorithm="fricas")

[Out]

integral(log(c*x^n)/(b^2*x*log(c*x^n)^4 + 2*a*b*x*x^m*log(c*x^n)^2 + a^2*x*x^(2*m)), x)

________________________________________________________________________________________

Sympy [A]
time = 0.00, size = 0, normalized size = 0.00 \begin {gather*} \int \frac {\log {\left (c x^{n} \right )}}{x \left (a x^{m} + b \log {\left (c x^{n} \right )}^{2}\right )^{2}}\, dx \end {gather*}

Verification of antiderivative is not currently implemented for this CAS.

[In]

integrate(ln(c*x**n)/x/(a*x**m+b*ln(c*x**n)**2)**2,x)

[Out]

Integral(log(c*x**n)/(x*(a*x**m + b*log(c*x**n)**2)**2), x)

________________________________________________________________________________________

Giac [A]
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(log(c*x^n)/x/(a*x^m+b*log(c*x^n)^2)^2,x, algorithm="giac")

[Out]

integrate(log(c*x^n)/((b*log(c*x^n)^2 + a*x^m)^2*x), x)

________________________________________________________________________________________

Mupad [A]
time = 0.00, size = -1, normalized size = -0.01 \begin {gather*} \int \frac {\ln \left (c\,x^n\right )}{x\,{\left (a\,x^m+b\,{\ln \left (c\,x^n\right )}^2\right )}^2} \,d x \end {gather*}

Verification of antiderivative is not currently implemented for this CAS.

[In]

int(log(c*x^n)/(x*(a*x^m + b*log(c*x^n)^2)^2),x)

[Out]

int(log(c*x^n)/(x*(a*x^m + b*log(c*x^n)^2)^2), x)

________________________________________________________________________________________