Integrand size = 21, antiderivative size = 203 \[ \int \frac {\left (d+e x^n\right )^2}{\left (a+c x^{2 n}\right )^2} \, dx=\frac {x \left (c d^2-a e^2+2 c d e x^n\right )}{2 a c n \left (a+c x^{2 n}\right )}+\frac {e^2 x \operatorname {Hypergeometric2F1}\left (1,\frac {1}{2 n},\frac {1}{2} \left (2+\frac {1}{n}\right ),-\frac {c x^{2 n}}{a}\right )}{a c}-\frac {\left (c d^2-a e^2\right ) (1-2 n) x \operatorname {Hypergeometric2F1}\left (1,\frac {1}{2 n},\frac {1}{2} \left (2+\frac {1}{n}\right ),-\frac {c x^{2 n}}{a}\right )}{2 a^2 c n}-\frac {d e (1-n) x^{1+n} \operatorname {Hypergeometric2F1}\left (1,\frac {1+n}{2 n},\frac {1}{2} \left (3+\frac {1}{n}\right ),-\frac {c x^{2 n}}{a}\right )}{a^2 n (1+n)} \]
1/2*x*(c*d^2-a*e^2+2*c*d*e*x^n)/a/c/n/(a+c*x^(2*n))+e^2*x*hypergeom([1, 1/ 2/n],[1+1/2/n],-c*x^(2*n)/a)/a/c-1/2*(-a*e^2+c*d^2)*(1-2*n)*x*hypergeom([1 , 1/2/n],[1+1/2/n],-c*x^(2*n)/a)/a^2/c/n-d*e*(1-n)*x^(1+n)*hypergeom([1, 1 /2*(1+n)/n],[3/2+1/2/n],-c*x^(2*n)/a)/a^2/n/(1+n)
Time = 0.21 (sec) , antiderivative size = 136, normalized size of antiderivative = 0.67 \[ \int \frac {\left (d+e x^n\right )^2}{\left (a+c x^{2 n}\right )^2} \, dx=\frac {x \left (a e^2 (1+n) \operatorname {Hypergeometric2F1}\left (1,\frac {1}{2 n},\frac {1}{2} \left (2+\frac {1}{n}\right ),-\frac {c x^{2 n}}{a}\right )+\left (c d^2-a e^2\right ) (1+n) \operatorname {Hypergeometric2F1}\left (2,\frac {1}{2 n},\frac {1}{2} \left (2+\frac {1}{n}\right ),-\frac {c x^{2 n}}{a}\right )+2 c d e x^n \operatorname {Hypergeometric2F1}\left (2,\frac {1+n}{2 n},\frac {1}{2} \left (3+\frac {1}{n}\right ),-\frac {c x^{2 n}}{a}\right )\right )}{a^2 c (1+n)} \]
(x*(a*e^2*(1 + n)*Hypergeometric2F1[1, 1/(2*n), (2 + n^(-1))/2, -((c*x^(2* n))/a)] + (c*d^2 - a*e^2)*(1 + n)*Hypergeometric2F1[2, 1/(2*n), (2 + n^(-1 ))/2, -((c*x^(2*n))/a)] + 2*c*d*e*x^n*Hypergeometric2F1[2, (1 + n)/(2*n), (3 + n^(-1))/2, -((c*x^(2*n))/a)]))/(a^2*c*(1 + n))
Time = 0.36 (sec) , antiderivative size = 203, normalized size of antiderivative = 1.00, number of steps used = 2, number of rules used = 2, \(\frac {\text {number of rules}}{\text {integrand size}}\) = 0.095, Rules used = {1767, 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.
\(\displaystyle \int \frac {\left (d+e x^n\right )^2}{\left (a+c x^{2 n}\right )^2} \, dx\) |
\(\Big \downarrow \) 1767 |
\(\displaystyle \int \left (\frac {-a e^2+c d^2+2 c d e x^n}{c \left (a+c x^{2 n}\right )^2}+\frac {e^2}{c \left (a+c x^{2 n}\right )}\right )dx\) |
\(\Big \downarrow \) 2009 |
\(\displaystyle -\frac {(1-2 n) x \left (c d^2-a e^2\right ) \operatorname {Hypergeometric2F1}\left (1,\frac {1}{2 n},\frac {1}{2} \left (2+\frac {1}{n}\right ),-\frac {c x^{2 n}}{a}\right )}{2 a^2 c n}-\frac {d e (1-n) x^{n+1} \operatorname {Hypergeometric2F1}\left (1,\frac {n+1}{2 n},\frac {1}{2} \left (3+\frac {1}{n}\right ),-\frac {c x^{2 n}}{a}\right )}{a^2 n (n+1)}+\frac {x \left (-a e^2+c d^2+2 c d e x^n\right )}{2 a c n \left (a+c x^{2 n}\right )}+\frac {e^2 x \operatorname {Hypergeometric2F1}\left (1,\frac {1}{2 n},\frac {1}{2} \left (2+\frac {1}{n}\right ),-\frac {c x^{2 n}}{a}\right )}{a c}\) |
(x*(c*d^2 - a*e^2 + 2*c*d*e*x^n))/(2*a*c*n*(a + c*x^(2*n))) + (e^2*x*Hyper geometric2F1[1, 1/(2*n), (2 + n^(-1))/2, -((c*x^(2*n))/a)])/(a*c) - ((c*d^ 2 - a*e^2)*(1 - 2*n)*x*Hypergeometric2F1[1, 1/(2*n), (2 + n^(-1))/2, -((c* x^(2*n))/a)])/(2*a^2*c*n) - (d*e*(1 - n)*x^(1 + n)*Hypergeometric2F1[1, (1 + n)/(2*n), (3 + n^(-1))/2, -((c*x^(2*n))/a)])/(a^2*n*(1 + n))
3.1.49.3.1 Defintions of rubi rules used
Int[((d_) + (e_.)*(x_)^(n_))^(q_)*((a_) + (c_.)*(x_)^(n2_))^(p_), x_Symbol] :> Int[ExpandIntegrand[(d + e*x^n)^q*(a + c*x^(2*n))^p, x], x] /; FreeQ[{a , c, d, e, n, p, q}, x] && EqQ[n2, 2*n] && NeQ[c*d^2 + a*e^2, 0] && ((Integ ersQ[p, q] && !IntegerQ[n]) || IGtQ[p, 0] || (IGtQ[q, 0] && !IntegerQ[n]) )
\[\int \frac {\left (d +e \,x^{n}\right )^{2}}{\left (a +c \,x^{2 n}\right )^{2}}d x\]
\[ \int \frac {\left (d+e x^n\right )^2}{\left (a+c x^{2 n}\right )^2} \, dx=\int { \frac {{\left (e x^{n} + d\right )}^{2}}{{\left (c x^{2 \, n} + a\right )}^{2}} \,d x } \]
\[ \int \frac {\left (d+e x^n\right )^2}{\left (a+c x^{2 n}\right )^2} \, dx=\int \frac {\left (d + e x^{n}\right )^{2}}{\left (a + c x^{2 n}\right )^{2}}\, dx \]
\[ \int \frac {\left (d+e x^n\right )^2}{\left (a+c x^{2 n}\right )^2} \, dx=\int { \frac {{\left (e x^{n} + d\right )}^{2}}{{\left (c x^{2 \, n} + a\right )}^{2}} \,d x } \]
1/2*(2*c*d*e*x*x^n + (c*d^2 - a*e^2)*x)/(a*c^2*n*x^(2*n) + a^2*c*n) + inte grate(1/2*(2*c*d*e*(n - 1)*x^n + c*d^2*(2*n - 1) + a*e^2)/(a*c^2*n*x^(2*n) + a^2*c*n), x)
\[ \int \frac {\left (d+e x^n\right )^2}{\left (a+c x^{2 n}\right )^2} \, dx=\int { \frac {{\left (e x^{n} + d\right )}^{2}}{{\left (c x^{2 \, n} + a\right )}^{2}} \,d x } \]
Timed out. \[ \int \frac {\left (d+e x^n\right )^2}{\left (a+c x^{2 n}\right )^2} \, dx=\int \frac {{\left (d+e\,x^n\right )}^2}{{\left (a+c\,x^{2\,n}\right )}^2} \,d x \]