Integrand size = 22, antiderivative size = 121 \[ \int x^2 \left (a+b \log \left (c \left (d+\frac {e}{x^{2/3}}\right )^n\right )\right ) \, dx=-\frac {2 b e^4 n \sqrt [3]{x}}{3 d^4}+\frac {2 b e^3 n x}{9 d^3}-\frac {2 b e^2 n x^{5/3}}{15 d^2}+\frac {2 b e n x^{7/3}}{21 d}+\frac {2 b e^{9/2} n \arctan \left (\frac {\sqrt {d} \sqrt [3]{x}}{\sqrt {e}}\right )}{3 d^{9/2}}+\frac {1}{3} x^3 \left (a+b \log \left (c \left (d+\frac {e}{x^{2/3}}\right )^n\right )\right ) \] Output:
-2/3*b*e^4*n*x^(1/3)/d^4+2/9*b*e^3*n*x/d^3-2/15*b*e^2*n*x^(5/3)/d^2+2/21*b *e*n*x^(7/3)/d+2/3*b*e^(9/2)*n*arctan(d^(1/2)*x^(1/3)/e^(1/2))/d^(9/2)+1/3 *x^3*(a+b*ln(c*(d+e/x^(2/3))^n))
Result contains higher order function than in optimal. Order 5 vs. order 3 in optimal.
Time = 0.02 (sec) , antiderivative size = 65, normalized size of antiderivative = 0.54 \[ \int x^2 \left (a+b \log \left (c \left (d+\frac {e}{x^{2/3}}\right )^n\right )\right ) \, dx=\frac {a x^3}{3}+\frac {2 b e n x^{7/3} \operatorname {Hypergeometric2F1}\left (-\frac {7}{2},1,-\frac {5}{2},-\frac {e}{d x^{2/3}}\right )}{21 d}+\frac {1}{3} b x^3 \log \left (c \left (d+\frac {e}{x^{2/3}}\right )^n\right ) \] Input:
Integrate[x^2*(a + b*Log[c*(d + e/x^(2/3))^n]),x]
Output:
(a*x^3)/3 + (2*b*e*n*x^(7/3)*Hypergeometric2F1[-7/2, 1, -5/2, -(e/(d*x^(2/ 3)))])/(21*d) + (b*x^3*Log[c*(d + e/x^(2/3))^n])/3
Time = 0.47 (sec) , antiderivative size = 111, normalized size of antiderivative = 0.92, number of steps used = 6, number of rules used = 5, \(\frac {\text {number of rules}}{\text {integrand size}}\) = 0.227, Rules used = {2905, 795, 864, 254, 2009}
Below are the steps used by Rubi to obtain the solution. The rule number used for the transformation is given above next to the arrow. The rules definitions used are listed below.
\(\displaystyle \int x^2 \left (a+b \log \left (c \left (d+\frac {e}{x^{2/3}}\right )^n\right )\right ) \, dx\) |
\(\Big \downarrow \) 2905 |
\(\displaystyle \frac {2}{9} b e n \int \frac {x^{4/3}}{d+\frac {e}{x^{2/3}}}dx+\frac {1}{3} x^3 \left (a+b \log \left (c \left (d+\frac {e}{x^{2/3}}\right )^n\right )\right )\) |
\(\Big \downarrow \) 795 |
\(\displaystyle \frac {2}{9} b e n \int \frac {x^2}{x^{2/3} d+e}dx+\frac {1}{3} x^3 \left (a+b \log \left (c \left (d+\frac {e}{x^{2/3}}\right )^n\right )\right )\) |
\(\Big \downarrow \) 864 |
\(\displaystyle \frac {2}{3} b e n \int \frac {x^{8/3}}{x^{2/3} d+e}d\sqrt [3]{x}+\frac {1}{3} x^3 \left (a+b \log \left (c \left (d+\frac {e}{x^{2/3}}\right )^n\right )\right )\) |
\(\Big \downarrow \) 254 |
\(\displaystyle \frac {2}{3} b e n \int \left (\frac {e^4}{d^4 \left (x^{2/3} d+e\right )}-\frac {e^3}{d^4}+\frac {x^{2/3} e^2}{d^3}-\frac {x^{4/3} e}{d^2}+\frac {x^2}{d}\right )d\sqrt [3]{x}+\frac {1}{3} x^3 \left (a+b \log \left (c \left (d+\frac {e}{x^{2/3}}\right )^n\right )\right )\) |
\(\Big \downarrow \) 2009 |
\(\displaystyle \frac {1}{3} x^3 \left (a+b \log \left (c \left (d+\frac {e}{x^{2/3}}\right )^n\right )\right )+\frac {2}{3} b e n \left (\frac {e^{7/2} \arctan \left (\frac {\sqrt {d} \sqrt [3]{x}}{\sqrt {e}}\right )}{d^{9/2}}-\frac {e^3 \sqrt [3]{x}}{d^4}+\frac {e^2 x}{3 d^3}-\frac {e x^{5/3}}{5 d^2}+\frac {x^{7/3}}{7 d}\right )\) |
Input:
Int[x^2*(a + b*Log[c*(d + e/x^(2/3))^n]),x]
Output:
(2*b*e*n*(-((e^3*x^(1/3))/d^4) + (e^2*x)/(3*d^3) - (e*x^(5/3))/(5*d^2) + x ^(7/3)/(7*d) + (e^(7/2)*ArcTan[(Sqrt[d]*x^(1/3))/Sqrt[e]])/d^(9/2)))/3 + ( x^3*(a + b*Log[c*(d + e/x^(2/3))^n]))/3
Int[(x_)^(m_)/((a_) + (b_.)*(x_)^2), x_Symbol] :> Int[PolynomialDivide[x^m, a + b*x^2, x], x] /; FreeQ[{a, b}, x] && IGtQ[m, 3]
Int[(x_)^(m_.)*((a_) + (b_.)*(x_)^(n_))^(p_), x_Symbol] :> Int[x^(m + n*p)* (b + a/x^n)^p, x] /; FreeQ[{a, b, m, n}, x] && IntegerQ[p] && NegQ[n]
Int[(x_)^(m_.)*((a_) + (b_.)*(x_)^(n_))^(p_), x_Symbol] :> With[{k = Denomi nator[n]}, Simp[k Subst[Int[x^(k*(m + 1) - 1)*(a + b*x^(k*n))^p, x], x, x ^(1/k)], x]] /; FreeQ[{a, b, m, p}, x] && FractionQ[n]
Int[((a_.) + Log[(c_.)*((d_) + (e_.)*(x_)^(n_))^(p_.)]*(b_.))*((f_.)*(x_))^ (m_.), x_Symbol] :> Simp[(f*x)^(m + 1)*((a + b*Log[c*(d + e*x^n)^p])/(f*(m + 1))), x] - Simp[b*e*n*(p/(f*(m + 1))) Int[x^(n - 1)*((f*x)^(m + 1)/(d + e*x^n)), x], x] /; FreeQ[{a, b, c, d, e, f, m, n, p}, x] && NeQ[m, -1]
\[\int x^{2} \left (a +b \ln \left (c \left (d +\frac {e}{x^{\frac {2}{3}}}\right )^{n}\right )\right )d x\]
Input:
int(x^2*(a+b*ln(c*(d+e/x^(2/3))^n)),x)
Output:
int(x^2*(a+b*ln(c*(d+e/x^(2/3))^n)),x)
Time = 0.14 (sec) , antiderivative size = 399, normalized size of antiderivative = 3.30 \[ \int x^2 \left (a+b \log \left (c \left (d+\frac {e}{x^{2/3}}\right )^n\right )\right ) \, dx=\left [\frac {105 \, b d^{4} x^{3} \log \left (c\right ) + 105 \, a d^{4} x^{3} - 42 \, b d^{2} e^{2} n x^{\frac {5}{3}} + 105 \, b e^{4} n \sqrt {-\frac {e}{d}} \log \left (\frac {d^{3} x^{2} - 2 \, d^{2} e x \sqrt {-\frac {e}{d}} - e^{3} + 2 \, {\left (d^{3} x \sqrt {-\frac {e}{d}} + d e^{2}\right )} x^{\frac {2}{3}} - 2 \, {\left (d^{2} e x - d e^{2} \sqrt {-\frac {e}{d}}\right )} x^{\frac {1}{3}}}{d^{3} x^{2} + e^{3}}\right ) + 70 \, b d e^{3} n x + 105 \, b d^{4} n \log \left (d x^{\frac {2}{3}} + e\right ) - 210 \, b d^{4} n \log \left (x^{\frac {1}{3}}\right ) + 105 \, {\left (b d^{4} n x^{3} - b d^{4} n\right )} \log \left (\frac {d x + e x^{\frac {1}{3}}}{x}\right ) + 30 \, {\left (b d^{3} e n x^{2} - 7 \, b e^{4} n\right )} x^{\frac {1}{3}}}{315 \, d^{4}}, \frac {105 \, b d^{4} x^{3} \log \left (c\right ) + 105 \, a d^{4} x^{3} - 42 \, b d^{2} e^{2} n x^{\frac {5}{3}} + 210 \, b e^{4} n \sqrt {\frac {e}{d}} \arctan \left (\frac {d x^{\frac {1}{3}} \sqrt {\frac {e}{d}}}{e}\right ) + 70 \, b d e^{3} n x + 105 \, b d^{4} n \log \left (d x^{\frac {2}{3}} + e\right ) - 210 \, b d^{4} n \log \left (x^{\frac {1}{3}}\right ) + 105 \, {\left (b d^{4} n x^{3} - b d^{4} n\right )} \log \left (\frac {d x + e x^{\frac {1}{3}}}{x}\right ) + 30 \, {\left (b d^{3} e n x^{2} - 7 \, b e^{4} n\right )} x^{\frac {1}{3}}}{315 \, d^{4}}\right ] \] Input:
integrate(x^2*(a+b*log(c*(d+e/x^(2/3))^n)),x, algorithm="fricas")
Output:
[1/315*(105*b*d^4*x^3*log(c) + 105*a*d^4*x^3 - 42*b*d^2*e^2*n*x^(5/3) + 10 5*b*e^4*n*sqrt(-e/d)*log((d^3*x^2 - 2*d^2*e*x*sqrt(-e/d) - e^3 + 2*(d^3*x* sqrt(-e/d) + d*e^2)*x^(2/3) - 2*(d^2*e*x - d*e^2*sqrt(-e/d))*x^(1/3))/(d^3 *x^2 + e^3)) + 70*b*d*e^3*n*x + 105*b*d^4*n*log(d*x^(2/3) + e) - 210*b*d^4 *n*log(x^(1/3)) + 105*(b*d^4*n*x^3 - b*d^4*n)*log((d*x + e*x^(1/3))/x) + 3 0*(b*d^3*e*n*x^2 - 7*b*e^4*n)*x^(1/3))/d^4, 1/315*(105*b*d^4*x^3*log(c) + 105*a*d^4*x^3 - 42*b*d^2*e^2*n*x^(5/3) + 210*b*e^4*n*sqrt(e/d)*arctan(d*x^ (1/3)*sqrt(e/d)/e) + 70*b*d*e^3*n*x + 105*b*d^4*n*log(d*x^(2/3) + e) - 210 *b*d^4*n*log(x^(1/3)) + 105*(b*d^4*n*x^3 - b*d^4*n)*log((d*x + e*x^(1/3))/ x) + 30*(b*d^3*e*n*x^2 - 7*b*e^4*n)*x^(1/3))/d^4]
Timed out. \[ \int x^2 \left (a+b \log \left (c \left (d+\frac {e}{x^{2/3}}\right )^n\right )\right ) \, dx=\text {Timed out} \] Input:
integrate(x**2*(a+b*ln(c*(d+e/x**(2/3))**n)),x)
Output:
Timed out
Exception generated. \[ \int x^2 \left (a+b \log \left (c \left (d+\frac {e}{x^{2/3}}\right )^n\right )\right ) \, dx=\text {Exception raised: ValueError} \] Input:
integrate(x^2*(a+b*log(c*(d+e/x^(2/3))^n)),x, algorithm="maxima")
Output:
Exception raised: ValueError >> Computation failed since Maxima requested additional constraints; using the 'assume' command before evaluation *may* help (example of legal syntax is 'assume(e>0)', see `assume?` for more de tails)Is e
Time = 0.20 (sec) , antiderivative size = 103, normalized size of antiderivative = 0.85 \[ \int x^2 \left (a+b \log \left (c \left (d+\frac {e}{x^{2/3}}\right )^n\right )\right ) \, dx=\frac {1}{3} \, b x^{3} \log \left (c\right ) + \frac {1}{3} \, a x^{3} + \frac {1}{315} \, {\left (105 \, x^{3} \log \left (d + \frac {e}{x^{\frac {2}{3}}}\right ) + 2 \, e {\left (\frac {105 \, e^{4} \arctan \left (\frac {d x^{\frac {1}{3}}}{\sqrt {d e}}\right )}{\sqrt {d e} d^{4}} + \frac {15 \, d^{6} x^{\frac {7}{3}} - 21 \, d^{5} e x^{\frac {5}{3}} + 35 \, d^{4} e^{2} x - 105 \, d^{3} e^{3} x^{\frac {1}{3}}}{d^{7}}\right )}\right )} b n \] Input:
integrate(x^2*(a+b*log(c*(d+e/x^(2/3))^n)),x, algorithm="giac")
Output:
1/3*b*x^3*log(c) + 1/3*a*x^3 + 1/315*(105*x^3*log(d + e/x^(2/3)) + 2*e*(10 5*e^4*arctan(d*x^(1/3)/sqrt(d*e))/(sqrt(d*e)*d^4) + (15*d^6*x^(7/3) - 21*d ^5*e*x^(5/3) + 35*d^4*e^2*x - 105*d^3*e^3*x^(1/3))/d^7))*b*n
Timed out. \[ \int x^2 \left (a+b \log \left (c \left (d+\frac {e}{x^{2/3}}\right )^n\right )\right ) \, dx=\int x^2\,\left (a+b\,\ln \left (c\,{\left (d+\frac {e}{x^{2/3}}\right )}^n\right )\right ) \,d x \] Input:
int(x^2*(a + b*log(c*(d + e/x^(2/3))^n)),x)
Output:
int(x^2*(a + b*log(c*(d + e/x^(2/3))^n)), x)
Time = 0.15 (sec) , antiderivative size = 114, normalized size of antiderivative = 0.94 \[ \int x^2 \left (a+b \log \left (c \left (d+\frac {e}{x^{2/3}}\right )^n\right )\right ) \, dx=\frac {210 \sqrt {e}\, \sqrt {d}\, \mathit {atan} \left (\frac {x^{\frac {1}{3}} d}{\sqrt {e}\, \sqrt {d}}\right ) b \,e^{4} n -42 x^{\frac {5}{3}} b \,d^{3} e^{2} n +30 x^{\frac {7}{3}} b \,d^{4} e n -210 x^{\frac {1}{3}} b d \,e^{4} n +105 \,\mathrm {log}\left (\frac {\left (x^{\frac {2}{3}} d +e \right )^{n} c}{x^{\frac {2 n}{3}}}\right ) b \,d^{5} x^{3}+105 a \,d^{5} x^{3}+70 b \,d^{2} e^{3} n x}{315 d^{5}} \] Input:
int(x^2*(a+b*log(c*(d+e/x^(2/3))^n)),x)
Output:
(210*sqrt(e)*sqrt(d)*atan((x**(1/3)*d)/(sqrt(e)*sqrt(d)))*b*e**4*n - 42*x* *(2/3)*b*d**3*e**2*n*x + 30*x**(1/3)*b*d**4*e*n*x**2 - 210*x**(1/3)*b*d*e* *4*n + 105*log(((x**(2/3)*d + e)**n*c)/x**((2*n)/3))*b*d**5*x**3 + 105*a*d **5*x**3 + 70*b*d**2*e**3*n*x)/(315*d**5)