Optimal. Leaf size=149 \[ \frac {x \cos ^3\left (a+b \log \left (c x^n\right )\right )}{9 b^2 n^2+1}+\frac {3 b n x \sin \left (a+b \log \left (c x^n\right )\right ) \cos ^2\left (a+b \log \left (c x^n\right )\right )}{9 b^2 n^2+1}+\frac {6 b^2 n^2 x \cos \left (a+b \log \left (c x^n\right )\right )}{9 b^4 n^4+10 b^2 n^2+1}+\frac {6 b^3 n^3 x \sin \left (a+b \log \left (c x^n\right )\right )}{9 b^4 n^4+10 b^2 n^2+1} \]
[Out]
________________________________________________________________________________________
Rubi [A] time = 0.04, antiderivative size = 149, normalized size of antiderivative = 1.00, number of steps used = 2, number of rules used = 2, integrand size = 13, \(\frac {\text {number of rules}}{\text {integrand size}}\) = 0.154, Rules used = {4478, 4476} \[ \frac {6 b^3 n^3 x \sin \left (a+b \log \left (c x^n\right )\right )}{9 b^4 n^4+10 b^2 n^2+1}+\frac {x \cos ^3\left (a+b \log \left (c x^n\right )\right )}{9 b^2 n^2+1}+\frac {6 b^2 n^2 x \cos \left (a+b \log \left (c x^n\right )\right )}{9 b^4 n^4+10 b^2 n^2+1}+\frac {3 b n x \sin \left (a+b \log \left (c x^n\right )\right ) \cos ^2\left (a+b \log \left (c x^n\right )\right )}{9 b^2 n^2+1} \]
Antiderivative was successfully verified.
[In]
[Out]
Rule 4476
Rule 4478
Rubi steps
\begin {align*} \int \cos ^3\left (a+b \log \left (c x^n\right )\right ) \, dx &=\frac {x \cos ^3\left (a+b \log \left (c x^n\right )\right )}{1+9 b^2 n^2}+\frac {3 b n x \cos ^2\left (a+b \log \left (c x^n\right )\right ) \sin \left (a+b \log \left (c x^n\right )\right )}{1+9 b^2 n^2}+\frac {\left (6 b^2 n^2\right ) \int \cos \left (a+b \log \left (c x^n\right )\right ) \, dx}{1+9 b^2 n^2}\\ &=\frac {6 b^2 n^2 x \cos \left (a+b \log \left (c x^n\right )\right )}{1+10 b^2 n^2+9 b^4 n^4}+\frac {x \cos ^3\left (a+b \log \left (c x^n\right )\right )}{1+9 b^2 n^2}+\frac {6 b^3 n^3 x \sin \left (a+b \log \left (c x^n\right )\right )}{1+10 b^2 n^2+9 b^4 n^4}+\frac {3 b n x \cos ^2\left (a+b \log \left (c x^n\right )\right ) \sin \left (a+b \log \left (c x^n\right )\right )}{1+9 b^2 n^2}\\ \end {align*}
________________________________________________________________________________________
Mathematica [A] time = 0.42, size = 117, normalized size = 0.79 \[ \frac {x \left (3 \left (9 b^2 n^2+1\right ) \cos \left (a+b \log \left (c x^n\right )\right )+\left (b^2 n^2+1\right ) \cos \left (3 \left (a+b \log \left (c x^n\right )\right )\right )+6 b n \sin \left (a+b \log \left (c x^n\right )\right ) \left (\left (b^2 n^2+1\right ) \cos \left (2 \left (a+b \log \left (c x^n\right )\right )\right )+5 b^2 n^2+1\right )\right )}{36 b^4 n^4+40 b^2 n^2+4} \]
Antiderivative was successfully verified.
[In]
[Out]
________________________________________________________________________________________
fricas [A] time = 0.43, size = 119, normalized size = 0.80 \[ \frac {6 \, b^{2} n^{2} x \cos \left (b n \log \relax (x) + b \log \relax (c) + a\right ) + {\left (b^{2} n^{2} + 1\right )} x \cos \left (b n \log \relax (x) + b \log \relax (c) + a\right )^{3} + 3 \, {\left (2 \, b^{3} n^{3} x + {\left (b^{3} n^{3} + b n\right )} x \cos \left (b n \log \relax (x) + b \log \relax (c) + a\right )^{2}\right )} \sin \left (b n \log \relax (x) + b \log \relax (c) + a\right )}{9 \, b^{4} n^{4} + 10 \, b^{2} n^{2} + 1} \]
Verification of antiderivative is not currently implemented for this CAS.
[In]
[Out]
________________________________________________________________________________________
giac [F(-1)] time = 0.00, size = 0, normalized size = 0.00 \[ \text {Timed out} \]
Verification of antiderivative is not currently implemented for this CAS.
[In]
[Out]
________________________________________________________________________________________
maple [F] time = 0.07, size = 0, normalized size = 0.00 \[ \int \cos ^{3}\left (a +b \ln \left (c \,x^{n}\right )\right )\, dx \]
Verification of antiderivative is not currently implemented for this CAS.
[In]
[Out]
________________________________________________________________________________________
maxima [B] time = 0.41, size = 989, normalized size = 6.64 \[ \text {result too large to display} \]
Verification of antiderivative is not currently implemented for this CAS.
[In]
[Out]
________________________________________________________________________________________
mupad [B] time = 2.82, size = 114, normalized size = 0.77 \[ \frac {x\,{\mathrm {e}}^{-a\,1{}\mathrm {i}}\,\frac {1}{{\left (c\,x^n\right )}^{b\,1{}\mathrm {i}}}\,3{}\mathrm {i}}{8\,b\,n+8{}\mathrm {i}}+\frac {3\,x\,{\mathrm {e}}^{a\,1{}\mathrm {i}}\,{\left (c\,x^n\right )}^{b\,1{}\mathrm {i}}}{8+b\,n\,8{}\mathrm {i}}+\frac {x\,{\mathrm {e}}^{-a\,3{}\mathrm {i}}\,\frac {1}{{\left (c\,x^n\right )}^{b\,3{}\mathrm {i}}}\,1{}\mathrm {i}}{24\,b\,n+8{}\mathrm {i}}+\frac {x\,{\mathrm {e}}^{a\,3{}\mathrm {i}}\,{\left (c\,x^n\right )}^{b\,3{}\mathrm {i}}}{8+b\,n\,24{}\mathrm {i}} \]
Verification of antiderivative is not currently implemented for this CAS.
[In]
[Out]
________________________________________________________________________________________
sympy [F] time = 0.00, size = 0, normalized size = 0.00 \[ \begin {cases} \int \cos ^{3}{\left (a - \frac {i \log {\left (c x^{n} \right )}}{n} \right )}\, dx & \text {for}\: b = - \frac {i}{n} \\\int \cos ^{3}{\left (a - \frac {i \log {\left (c x^{n} \right )}}{3 n} \right )}\, dx & \text {for}\: b = - \frac {i}{3 n} \\\int \cos ^{3}{\left (a + \frac {i \log {\left (c x^{n} \right )}}{3 n} \right )}\, dx & \text {for}\: b = \frac {i}{3 n} \\\int \cos ^{3}{\left (a + \frac {i \log {\left (c x^{n} \right )}}{n} \right )}\, dx & \text {for}\: b = \frac {i}{n} \\\frac {6 b^{3} n^{3} x \sin ^{3}{\left (a + b n \log {\relax (x )} + b \log {\relax (c )} \right )}}{9 b^{4} n^{4} + 10 b^{2} n^{2} + 1} + \frac {9 b^{3} n^{3} x \sin {\left (a + b n \log {\relax (x )} + b \log {\relax (c )} \right )} \cos ^{2}{\left (a + b n \log {\relax (x )} + b \log {\relax (c )} \right )}}{9 b^{4} n^{4} + 10 b^{2} n^{2} + 1} + \frac {6 b^{2} n^{2} x \sin ^{2}{\left (a + b n \log {\relax (x )} + b \log {\relax (c )} \right )} \cos {\left (a + b n \log {\relax (x )} + b \log {\relax (c )} \right )}}{9 b^{4} n^{4} + 10 b^{2} n^{2} + 1} + \frac {7 b^{2} n^{2} x \cos ^{3}{\left (a + b n \log {\relax (x )} + b \log {\relax (c )} \right )}}{9 b^{4} n^{4} + 10 b^{2} n^{2} + 1} + \frac {3 b n x \sin {\left (a + b n \log {\relax (x )} + b \log {\relax (c )} \right )} \cos ^{2}{\left (a + b n \log {\relax (x )} + b \log {\relax (c )} \right )}}{9 b^{4} n^{4} + 10 b^{2} n^{2} + 1} + \frac {x \cos ^{3}{\left (a + b n \log {\relax (x )} + b \log {\relax (c )} \right )}}{9 b^{4} n^{4} + 10 b^{2} n^{2} + 1} & \text {otherwise} \end {cases} \]
Verification of antiderivative is not currently implemented for this CAS.
[In]
[Out]
________________________________________________________________________________________