Integrand size = 26, antiderivative size = 119 \[ \int \frac {A+B x^n}{(e x)^{5/2} \sqrt {a+b x^n}} \, dx=-\frac {2 B \sqrt {a+b x^n}}{b e (3-n) (e x)^{3/2}}-\frac {2 \left (A-\frac {3 a B}{b (3-n)}\right ) \sqrt {1+\frac {b x^n}{a}} \operatorname {Hypergeometric2F1}\left (\frac {1}{2},-\frac {3}{2 n},1-\frac {3}{2 n},-\frac {b x^n}{a}\right )}{3 e (e x)^{3/2} \sqrt {a+b x^n}} \] Output:
-2*B*(a+b*x^n)^(1/2)/b/e/(3-n)/(e*x)^(3/2)-2/3*(A-3*a*B/b/(3-n))*(1+b*x^n/ a)^(1/2)*hypergeom([1/2, -3/2/n],[1-3/2/n],-b*x^n/a)/e/(e*x)^(3/2)/(a+b*x^ n)^(1/2)
Time = 0.52 (sec) , antiderivative size = 118, normalized size of antiderivative = 0.99 \[ \int \frac {A+B x^n}{(e x)^{5/2} \sqrt {a+b x^n}} \, dx=\frac {2 x \sqrt {1+\frac {b x^n}{a}} \left (3 B x^n \operatorname {Hypergeometric2F1}\left (\frac {1}{2},1-\frac {3}{2 n},2-\frac {3}{2 n},-\frac {b x^n}{a}\right )+A (3-2 n) \operatorname {Hypergeometric2F1}\left (\frac {1}{2},-\frac {3}{2 n},1-\frac {3}{2 n},-\frac {b x^n}{a}\right )\right )}{3 (-3+2 n) (e x)^{5/2} \sqrt {a+b x^n}} \] Input:
Integrate[(A + B*x^n)/((e*x)^(5/2)*Sqrt[a + b*x^n]),x]
Output:
(2*x*Sqrt[1 + (b*x^n)/a]*(3*B*x^n*Hypergeometric2F1[1/2, 1 - 3/(2*n), 2 - 3/(2*n), -((b*x^n)/a)] + A*(3 - 2*n)*Hypergeometric2F1[1/2, -3/(2*n), 1 - 3/(2*n), -((b*x^n)/a)]))/(3*(-3 + 2*n)*(e*x)^(5/2)*Sqrt[a + b*x^n])
Time = 0.43 (sec) , antiderivative size = 119, normalized size of antiderivative = 1.00, number of steps used = 3, number of rules used = 3, \(\frac {\text {number of rules}}{\text {integrand size}}\) = 0.115, Rules used = {959, 889, 888}
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.
\(\displaystyle \int \frac {A+B x^n}{(e x)^{5/2} \sqrt {a+b x^n}} \, dx\) |
\(\Big \downarrow \) 959 |
\(\displaystyle \left (A-\frac {3 a B}{b (3-n)}\right ) \int \frac {1}{(e x)^{5/2} \sqrt {b x^n+a}}dx-\frac {2 B \sqrt {a+b x^n}}{b e (3-n) (e x)^{3/2}}\) |
\(\Big \downarrow \) 889 |
\(\displaystyle \frac {\sqrt {\frac {b x^n}{a}+1} \left (A-\frac {3 a B}{b (3-n)}\right ) \int \frac {1}{(e x)^{5/2} \sqrt {\frac {b x^n}{a}+1}}dx}{\sqrt {a+b x^n}}-\frac {2 B \sqrt {a+b x^n}}{b e (3-n) (e x)^{3/2}}\) |
\(\Big \downarrow \) 888 |
\(\displaystyle -\frac {2 \sqrt {\frac {b x^n}{a}+1} \left (A-\frac {3 a B}{b (3-n)}\right ) \operatorname {Hypergeometric2F1}\left (\frac {1}{2},-\frac {3}{2 n},1-\frac {3}{2 n},-\frac {b x^n}{a}\right )}{3 e (e x)^{3/2} \sqrt {a+b x^n}}-\frac {2 B \sqrt {a+b x^n}}{b e (3-n) (e x)^{3/2}}\) |
Input:
Int[(A + B*x^n)/((e*x)^(5/2)*Sqrt[a + b*x^n]),x]
Output:
(-2*B*Sqrt[a + b*x^n])/(b*e*(3 - n)*(e*x)^(3/2)) - (2*(A - (3*a*B)/(b*(3 - n)))*Sqrt[1 + (b*x^n)/a]*Hypergeometric2F1[1/2, -3/(2*n), 1 - 3/(2*n), -( (b*x^n)/a)])/(3*e*(e*x)^(3/2)*Sqrt[a + b*x^n])
Int[((c_.)*(x_))^(m_.)*((a_) + (b_.)*(x_)^(n_))^(p_), x_Symbol] :> Simp[a^p *((c*x)^(m + 1)/(c*(m + 1)))*Hypergeometric2F1[-p, (m + 1)/n, (m + 1)/n + 1 , (-b)*(x^n/a)], x] /; FreeQ[{a, b, c, m, n, p}, x] && !IGtQ[p, 0] && (ILt Q[p, 0] || GtQ[a, 0])
Int[((c_.)*(x_))^(m_.)*((a_) + (b_.)*(x_)^(n_))^(p_), x_Symbol] :> Simp[a^I ntPart[p]*((a + b*x^n)^FracPart[p]/(1 + b*(x^n/a))^FracPart[p]) Int[(c*x) ^m*(1 + b*(x^n/a))^p, x], x] /; FreeQ[{a, b, c, m, n, p}, x] && !IGtQ[p, 0 ] && !(ILtQ[p, 0] || GtQ[a, 0])
Int[((e_.)*(x_))^(m_.)*((a_) + (b_.)*(x_)^(n_))^(p_.)*((c_) + (d_.)*(x_)^(n _)), x_Symbol] :> Simp[d*(e*x)^(m + 1)*((a + b*x^n)^(p + 1)/(b*e*(m + n*(p + 1) + 1))), x] - Simp[(a*d*(m + 1) - b*c*(m + n*(p + 1) + 1))/(b*(m + n*(p + 1) + 1)) Int[(e*x)^m*(a + b*x^n)^p, x], x] /; FreeQ[{a, b, c, d, e, m, n, p}, x] && NeQ[b*c - a*d, 0] && NeQ[m + n*(p + 1) + 1, 0]
\[\int \frac {A +B \,x^{n}}{\left (e x \right )^{\frac {5}{2}} \sqrt {a +b \,x^{n}}}d x\]
Input:
int((A+B*x^n)/(e*x)^(5/2)/(a+b*x^n)^(1/2),x)
Output:
int((A+B*x^n)/(e*x)^(5/2)/(a+b*x^n)^(1/2),x)
Exception generated. \[ \int \frac {A+B x^n}{(e x)^{5/2} \sqrt {a+b x^n}} \, dx=\text {Exception raised: TypeError} \] Input:
integrate((A+B*x^n)/(e*x)^(5/2)/(a+b*x^n)^(1/2),x, algorithm="fricas")
Output:
Exception raised: TypeError >> Error detected within library code: inte grate: implementation incomplete (has polynomial part)
Result contains complex when optimal does not.
Time = 45.11 (sec) , antiderivative size = 148, normalized size of antiderivative = 1.24 \[ \int \frac {A+B x^n}{(e x)^{5/2} \sqrt {a+b x^n}} \, dx=\frac {A a^{- \frac {3}{2 n}} a^{- \frac {1}{2} + \frac {3}{2 n}} \Gamma \left (- \frac {3}{2 n}\right ) {{}_{2}F_{1}\left (\begin {matrix} \frac {1}{2}, - \frac {3}{2 n} \\ 1 - \frac {3}{2 n} \end {matrix}\middle | {\frac {b x^{n} e^{i \pi }}{a}} \right )}}{e^{\frac {5}{2}} n x^{\frac {3}{2}} \Gamma \left (1 - \frac {3}{2 n}\right )} + \frac {B a^{- \frac {3}{2} + \frac {3}{2 n}} a^{1 - \frac {3}{2 n}} x^{n - \frac {3}{2}} \Gamma \left (1 - \frac {3}{2 n}\right ) {{}_{2}F_{1}\left (\begin {matrix} \frac {1}{2}, 1 - \frac {3}{2 n} \\ 2 - \frac {3}{2 n} \end {matrix}\middle | {\frac {b x^{n} e^{i \pi }}{a}} \right )}}{e^{\frac {5}{2}} n \Gamma \left (2 - \frac {3}{2 n}\right )} \] Input:
integrate((A+B*x**n)/(e*x)**(5/2)/(a+b*x**n)**(1/2),x)
Output:
A*a**(-1/2 + 3/(2*n))*gamma(-3/(2*n))*hyper((1/2, -3/(2*n)), (1 - 3/(2*n), ), b*x**n*exp_polar(I*pi)/a)/(a**(3/(2*n))*e**(5/2)*n*x**(3/2)*gamma(1 - 3 /(2*n))) + B*a**(-3/2 + 3/(2*n))*a**(1 - 3/(2*n))*x**(n - 3/2)*gamma(1 - 3 /(2*n))*hyper((1/2, 1 - 3/(2*n)), (2 - 3/(2*n),), b*x**n*exp_polar(I*pi)/a )/(e**(5/2)*n*gamma(2 - 3/(2*n)))
\[ \int \frac {A+B x^n}{(e x)^{5/2} \sqrt {a+b x^n}} \, dx=\int { \frac {B x^{n} + A}{\sqrt {b x^{n} + a} \left (e x\right )^{\frac {5}{2}}} \,d x } \] Input:
integrate((A+B*x^n)/(e*x)^(5/2)/(a+b*x^n)^(1/2),x, algorithm="maxima")
Output:
integrate((B*x^n + A)/(sqrt(b*x^n + a)*(e*x)^(5/2)), x)
\[ \int \frac {A+B x^n}{(e x)^{5/2} \sqrt {a+b x^n}} \, dx=\int { \frac {B x^{n} + A}{\sqrt {b x^{n} + a} \left (e x\right )^{\frac {5}{2}}} \,d x } \] Input:
integrate((A+B*x^n)/(e*x)^(5/2)/(a+b*x^n)^(1/2),x, algorithm="giac")
Output:
integrate((B*x^n + A)/(sqrt(b*x^n + a)*(e*x)^(5/2)), x)
Timed out. \[ \int \frac {A+B x^n}{(e x)^{5/2} \sqrt {a+b x^n}} \, dx=\int \frac {A+B\,x^n}{{\left (e\,x\right )}^{5/2}\,\sqrt {a+b\,x^n}} \,d x \] Input:
int((A + B*x^n)/((e*x)^(5/2)*(a + b*x^n)^(1/2)),x)
Output:
int((A + B*x^n)/((e*x)^(5/2)*(a + b*x^n)^(1/2)), x)
\[ \int \frac {A+B x^n}{(e x)^{5/2} \sqrt {a+b x^n}} \, dx=\frac {\sqrt {e}\, \left (2 \sqrt {x^{n} b +a}+\sqrt {x}\, \left (\int \frac {\sqrt {x}\, \sqrt {x^{n} b +a}}{x^{n} b n \,x^{3}-3 x^{n} b \,x^{3}+a n \,x^{3}-3 a \,x^{3}}d x \right ) a \,n^{2} x -3 \sqrt {x}\, \left (\int \frac {\sqrt {x}\, \sqrt {x^{n} b +a}}{x^{n} b n \,x^{3}-3 x^{n} b \,x^{3}+a n \,x^{3}-3 a \,x^{3}}d x \right ) a n x \right )}{\sqrt {x}\, e^{3} x \left (n -3\right )} \] Input:
int((A+B*x^n)/(e*x)^(5/2)/(a+b*x^n)^(1/2),x)
Output:
(sqrt(e)*(2*sqrt(x**n*b + a) + sqrt(x)*int((sqrt(x)*sqrt(x**n*b + a))/(x** n*b*n*x**3 - 3*x**n*b*x**3 + a*n*x**3 - 3*a*x**3),x)*a*n**2*x - 3*sqrt(x)* int((sqrt(x)*sqrt(x**n*b + a))/(x**n*b*n*x**3 - 3*x**n*b*x**3 + a*n*x**3 - 3*a*x**3),x)*a*n*x))/(sqrt(x)*e**3*x*(n - 3))