Integrand size = 35, antiderivative size = 97 \[ \int \frac {\sqrt {2+3 x} \sqrt {1+\frac {5 x}{6}-x^2}}{(f+g x)^{7/2}} \, dx=\frac {\sqrt {\frac {2}{3}} (3 f-2 g) (3-2 x)^{3/2}}{5 g (2 f+3 g) (f+g x)^{5/2}}-\frac {\sqrt {\frac {2}{3}} (18 f+53 g) (3-2 x)^{3/2}}{15 g (2 f+3 g)^2 (f+g x)^{3/2}} \] Output:
1/15*6^(1/2)*(3*f-2*g)*(3-2*x)^(3/2)/g/(2*f+3*g)/(g*x+f)^(5/2)-1/45*6^(1/2 )*(18*f+53*g)*(3-2*x)^(3/2)/g/(2*f+3*g)^2/(g*x+f)^(3/2)
Time = 10.07 (sec) , antiderivative size = 68, normalized size of antiderivative = 0.70 \[ \int \frac {\sqrt {2+3 x} \sqrt {1+\frac {5 x}{6}-x^2}}{(f+g x)^{7/2}} \, dx=\frac {(-3+2 x) \sqrt {4+\frac {10 x}{3}-4 x^2} (2 f (19+9 x)+g (18+53 x))}{15 (2 f+3 g)^2 \sqrt {2+3 x} (f+g x)^{5/2}} \] Input:
Integrate[(Sqrt[2 + 3*x]*Sqrt[1 + (5*x)/6 - x^2])/(f + g*x)^(7/2),x]
Output:
((-3 + 2*x)*Sqrt[4 + (10*x)/3 - 4*x^2]*(2*f*(19 + 9*x) + g*(18 + 53*x)))/( 15*(2*f + 3*g)^2*Sqrt[2 + 3*x]*(f + g*x)^(5/2))
Time = 0.24 (sec) , antiderivative size = 97, normalized size of antiderivative = 1.00, number of steps used = 4, number of rules used = 4, \(\frac {\text {number of rules}}{\text {integrand size}}\) = 0.114, Rules used = {1245, 87, 27, 48}
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.
\(\displaystyle \int \frac {\sqrt {3 x+2} \sqrt {-x^2+\frac {5 x}{6}+1}}{(f+g x)^{7/2}} \, dx\) |
\(\Big \downarrow \) 1245 |
\(\displaystyle \int \frac {\sqrt {\frac {1}{2}-\frac {x}{3}} (3 x+2)}{(f+g x)^{7/2}}dx\) |
\(\Big \downarrow \) 87 |
\(\displaystyle \frac {(18 f+53 g) \int \frac {\sqrt {3-2 x}}{\sqrt {6} (f+g x)^{5/2}}dx}{5 g (2 f+3 g)}+\frac {\sqrt {\frac {2}{3}} (3-2 x)^{3/2} (3 f-2 g)}{5 g (2 f+3 g) (f+g x)^{5/2}}\) |
\(\Big \downarrow \) 27 |
\(\displaystyle \frac {(18 f+53 g) \int \frac {\sqrt {3-2 x}}{(f+g x)^{5/2}}dx}{5 \sqrt {6} g (2 f+3 g)}+\frac {\sqrt {\frac {2}{3}} (3-2 x)^{3/2} (3 f-2 g)}{5 g (2 f+3 g) (f+g x)^{5/2}}\) |
\(\Big \downarrow \) 48 |
\(\displaystyle \frac {\sqrt {\frac {2}{3}} (3-2 x)^{3/2} (3 f-2 g)}{5 g (2 f+3 g) (f+g x)^{5/2}}-\frac {\sqrt {\frac {2}{3}} (3-2 x)^{3/2} (18 f+53 g)}{15 g (2 f+3 g)^2 (f+g x)^{3/2}}\) |
Input:
Int[(Sqrt[2 + 3*x]*Sqrt[1 + (5*x)/6 - x^2])/(f + g*x)^(7/2),x]
Output:
(Sqrt[2/3]*(3*f - 2*g)*(3 - 2*x)^(3/2))/(5*g*(2*f + 3*g)*(f + g*x)^(5/2)) - (Sqrt[2/3]*(18*f + 53*g)*(3 - 2*x)^(3/2))/(15*g*(2*f + 3*g)^2*(f + g*x)^ (3/2))
Int[(a_)*(Fx_), x_Symbol] :> Simp[a Int[Fx, x], x] /; FreeQ[a, x] && !Ma tchQ[Fx, (b_)*(Gx_) /; FreeQ[b, x]]
Int[((a_.) + (b_.)*(x_))^(m_.)*((c_.) + (d_.)*(x_))^(n_), x_Symbol] :> Simp [(a + b*x)^(m + 1)*((c + d*x)^(n + 1)/((b*c - a*d)*(m + 1))), x] /; FreeQ[{ a, b, c, d, m, n}, x] && EqQ[m + n + 2, 0] && NeQ[m, -1]
Int[((a_.) + (b_.)*(x_))*((c_.) + (d_.)*(x_))^(n_.)*((e_.) + (f_.)*(x_))^(p _.), x_] :> Simp[(-(b*e - a*f))*(c + d*x)^(n + 1)*((e + f*x)^(p + 1)/(f*(p + 1)*(c*f - d*e))), x] - Simp[(a*d*f*(n + p + 2) - b*(d*e*(n + 1) + c*f*(p + 1)))/(f*(p + 1)*(c*f - d*e)) Int[(c + d*x)^n*(e + f*x)^(p + 1), x], x] /; FreeQ[{a, b, c, d, e, f, n}, x] && LtQ[p, -1] && ( !LtQ[n, -1] || Intege rQ[p] || !(IntegerQ[n] || !(EqQ[e, 0] || !(EqQ[c, 0] || LtQ[p, n]))))
Int[((d_) + (e_.)*(x_))^(m_.)*((f_.) + (g_.)*(x_))^(n_.)*((a_) + (b_.)*(x_) + (c_.)*(x_)^2)^(p_), x_Symbol] :> Int[(d + e*x)^(m + p)*(f + g*x)^n*(a/d + (c/e)*x)^p, x] /; FreeQ[{a, b, c, d, e, f, g, m, n, p}, x] && EqQ[c*d^2 - b*d*e + a*e^2, 0] && GtQ[a, 0] && GtQ[d, 0] && LtQ[c, 0]
Time = 1.41 (sec) , antiderivative size = 58, normalized size of antiderivative = 0.60
method | result | size |
default | \(\frac {\sqrt {-36 x^{2}+30 x +36}\, \left (2 x -3\right ) \left (18 f x +53 g x +38 f +18 g \right )}{45 \sqrt {3 x +2}\, \left (g x +f \right )^{\frac {5}{2}} \left (2 f +3 g \right )^{2}}\) | \(58\) |
gosper | \(\frac {\left (2 x -3\right ) \left (18 f x +53 g x +38 f +18 g \right ) \sqrt {-36 x^{2}+30 x +36}}{45 \left (g x +f \right )^{\frac {5}{2}} \left (4 f^{2}+12 f g +9 g^{2}\right ) \sqrt {3 x +2}}\) | \(66\) |
orering | \(\frac {\left (2 x -3\right ) \left (18 f x +53 g x +38 f +18 g \right ) \sqrt {-36 x^{2}+30 x +36}}{45 \left (g x +f \right )^{\frac {5}{2}} \left (4 f^{2}+12 f g +9 g^{2}\right ) \sqrt {3 x +2}}\) | \(66\) |
Input:
int(1/6*(3*x+2)^(1/2)*(-36*x^2+30*x+36)^(1/2)/(g*x+f)^(7/2),x,method=_RETU RNVERBOSE)
Output:
1/45/(3*x+2)^(1/2)*(-36*x^2+30*x+36)^(1/2)/(g*x+f)^(5/2)*(2*x-3)*(18*f*x+5 3*g*x+38*f+18*g)/(2*f+3*g)^2
Leaf count of result is larger than twice the leaf count of optimal. 200 vs. \(2 (77) = 154\).
Time = 0.09 (sec) , antiderivative size = 200, normalized size of antiderivative = 2.06 \[ \int \frac {\sqrt {2+3 x} \sqrt {1+\frac {5 x}{6}-x^2}}{(f+g x)^{7/2}} \, dx=\frac {{\left (2 \, {\left (18 \, f + 53 \, g\right )} x^{2} + {\left (22 \, f - 123 \, g\right )} x - 114 \, f - 54 \, g\right )} \sqrt {g x + f} \sqrt {-36 \, x^{2} + 30 \, x + 36} \sqrt {3 \, x + 2}}{45 \, {\left (8 \, f^{5} + 24 \, f^{4} g + 18 \, f^{3} g^{2} + 3 \, {\left (4 \, f^{2} g^{3} + 12 \, f g^{4} + 9 \, g^{5}\right )} x^{4} + {\left (36 \, f^{3} g^{2} + 116 \, f^{2} g^{3} + 105 \, f g^{4} + 18 \, g^{5}\right )} x^{3} + 3 \, {\left (12 \, f^{4} g + 44 \, f^{3} g^{2} + 51 \, f^{2} g^{3} + 18 \, f g^{4}\right )} x^{2} + 3 \, {\left (4 \, f^{5} + 20 \, f^{4} g + 33 \, f^{3} g^{2} + 18 \, f^{2} g^{3}\right )} x\right )}} \] Input:
integrate(1/6*(2+3*x)^(1/2)*(-36*x^2+30*x+36)^(1/2)/(g*x+f)^(7/2),x, algor ithm="fricas")
Output:
1/45*(2*(18*f + 53*g)*x^2 + (22*f - 123*g)*x - 114*f - 54*g)*sqrt(g*x + f) *sqrt(-36*x^2 + 30*x + 36)*sqrt(3*x + 2)/(8*f^5 + 24*f^4*g + 18*f^3*g^2 + 3*(4*f^2*g^3 + 12*f*g^4 + 9*g^5)*x^4 + (36*f^3*g^2 + 116*f^2*g^3 + 105*f*g ^4 + 18*g^5)*x^3 + 3*(12*f^4*g + 44*f^3*g^2 + 51*f^2*g^3 + 18*f*g^4)*x^2 + 3*(4*f^5 + 20*f^4*g + 33*f^3*g^2 + 18*f^2*g^3)*x)
Timed out. \[ \int \frac {\sqrt {2+3 x} \sqrt {1+\frac {5 x}{6}-x^2}}{(f+g x)^{7/2}} \, dx=\text {Timed out} \] Input:
integrate(1/6*(2+3*x)**(1/2)*(-36*x**2+30*x+36)**(1/2)/(g*x+f)**(7/2),x)
Output:
Timed out
\[ \int \frac {\sqrt {2+3 x} \sqrt {1+\frac {5 x}{6}-x^2}}{(f+g x)^{7/2}} \, dx=\int { \frac {\sqrt {-36 \, x^{2} + 30 \, x + 36} \sqrt {3 \, x + 2}}{6 \, {\left (g x + f\right )}^{\frac {7}{2}}} \,d x } \] Input:
integrate(1/6*(2+3*x)^(1/2)*(-36*x^2+30*x+36)^(1/2)/(g*x+f)^(7/2),x, algor ithm="maxima")
Output:
1/6*integrate(sqrt(-36*x^2 + 30*x + 36)*sqrt(3*x + 2)/(g*x + f)^(7/2), x)
Time = 0.60 (sec) , antiderivative size = 122, normalized size of antiderivative = 1.26 \[ \int \frac {\sqrt {2+3 x} \sqrt {1+\frac {5 x}{6}-x^2}}{(f+g x)^{7/2}} \, dx=\frac {2 \, \sqrt {6} {\left (\frac {{\left (18 \, \sqrt {2} f g^{2} + 53 \, \sqrt {2} g^{3}\right )} {\left (2 \, x - 3\right )}}{4 \, f^{2} g^{2} + 12 \, f g^{3} + 9 \, g^{4}} + \frac {65 \, {\left (2 \, \sqrt {2} f g^{2} + 3 \, \sqrt {2} g^{3}\right )}}{4 \, f^{2} g^{2} + 12 \, f g^{3} + 9 \, g^{4}}\right )} {\left (2 \, x - 3\right )} \sqrt {-2 \, x + 3}}{45 \, {\left (g {\left (2 \, x - 3\right )} + 2 \, f + 3 \, g\right )}^{\frac {5}{2}}} \] Input:
integrate(1/6*(2+3*x)^(1/2)*(-36*x^2+30*x+36)^(1/2)/(g*x+f)^(7/2),x, algor ithm="giac")
Output:
2/45*sqrt(6)*((18*sqrt(2)*f*g^2 + 53*sqrt(2)*g^3)*(2*x - 3)/(4*f^2*g^2 + 1 2*f*g^3 + 9*g^4) + 65*(2*sqrt(2)*f*g^2 + 3*sqrt(2)*g^3)/(4*f^2*g^2 + 12*f* g^3 + 9*g^4))*(2*x - 3)*sqrt(-2*x + 3)/(g*(2*x - 3) + 2*f + 3*g)^(5/2)
Time = 11.71 (sec) , antiderivative size = 172, normalized size of antiderivative = 1.77 \[ \int \frac {\sqrt {2+3 x} \sqrt {1+\frac {5 x}{6}-x^2}}{(f+g x)^{7/2}} \, dx=\frac {\sqrt {-36\,x^2+30\,x+36}\,\left (\frac {x\,\sqrt {3\,x+2}\,\left (22\,f-123\,g\right )}{135\,g^2\,{\left (2\,f+3\,g\right )}^2}-\frac {\sqrt {3\,x+2}\,\left (114\,f+54\,g\right )}{135\,g^2\,{\left (2\,f+3\,g\right )}^2}+\frac {x^2\,\sqrt {3\,x+2}\,\left (36\,f+106\,g\right )}{135\,g^2\,{\left (2\,f+3\,g\right )}^2}\right )}{x^3\,\sqrt {f+g\,x}+\frac {2\,f^2\,\sqrt {f+g\,x}}{3\,g^2}+\frac {2\,x^2\,\sqrt {f+g\,x}\,\left (3\,f+g\right )}{3\,g}+\frac {f\,x\,\sqrt {f+g\,x}\,\left (3\,f+4\,g\right )}{3\,g^2}} \] Input:
int(((3*x + 2)^(1/2)*(30*x - 36*x^2 + 36)^(1/2))/(6*(f + g*x)^(7/2)),x)
Output:
((30*x - 36*x^2 + 36)^(1/2)*((x*(3*x + 2)^(1/2)*(22*f - 123*g))/(135*g^2*( 2*f + 3*g)^2) - ((3*x + 2)^(1/2)*(114*f + 54*g))/(135*g^2*(2*f + 3*g)^2) + (x^2*(3*x + 2)^(1/2)*(36*f + 106*g))/(135*g^2*(2*f + 3*g)^2)))/(x^3*(f + g*x)^(1/2) + (2*f^2*(f + g*x)^(1/2))/(3*g^2) + (2*x^2*(f + g*x)^(1/2)*(3*f + g))/(3*g) + (f*x*(f + g*x)^(1/2)*(3*f + 4*g))/(3*g^2))
Time = 0.21 (sec) , antiderivative size = 118, normalized size of antiderivative = 1.22 \[ \int \frac {\sqrt {2+3 x} \sqrt {1+\frac {5 x}{6}-x^2}}{(f+g x)^{7/2}} \, dx=\frac {\sqrt {-2 x +3}\, \sqrt {6}\, \left (36 f \,x^{2}+106 g \,x^{2}+22 f x -123 g x -114 f -54 g \right )}{45 \sqrt {g x +f}\, \left (4 f^{2} g^{2} x^{2}+12 f \,g^{3} x^{2}+9 g^{4} x^{2}+8 f^{3} g x +24 f^{2} g^{2} x +18 f \,g^{3} x +4 f^{4}+12 f^{3} g +9 f^{2} g^{2}\right )} \] Input:
int(1/6*(2+3*x)^(1/2)*(-36*x^2+30*x+36)^(1/2)/(g*x+f)^(7/2),x)
Output:
(sqrt( - 2*x + 3)*sqrt(6)*(36*f*x**2 + 22*f*x - 114*f + 106*g*x**2 - 123*g *x - 54*g))/(45*sqrt(f + g*x)*(4*f**4 + 8*f**3*g*x + 12*f**3*g + 4*f**2*g* *2*x**2 + 24*f**2*g**2*x + 9*f**2*g**2 + 12*f*g**3*x**2 + 18*f*g**3*x + 9* g**4*x**2))