Integrand size = 19, antiderivative size = 185 \[ \int \frac {\sqrt [4]{c+d x}}{(a+b x)^{7/2}} \, dx=-\frac {2 \sqrt [4]{c+d x}}{5 b (a+b x)^{5/2}}-\frac {d \sqrt [4]{c+d x}}{15 b (b c-a d) (a+b x)^{3/2}}+\frac {d^2 \sqrt [4]{c+d x}}{6 b (b c-a d)^2 \sqrt {a+b x}}+\frac {d^2 \sqrt {-\frac {d (a+b x)}{b c-a d}} \operatorname {EllipticF}\left (\arcsin \left (\frac {\sqrt [4]{b} \sqrt [4]{c+d x}}{\sqrt [4]{b c-a d}}\right ),-1\right )}{6 b^{5/4} (b c-a d)^{7/4} \sqrt {a+b x}} \]
-2/5*(d*x+c)^(1/4)/b/(b*x+a)^(5/2)-1/15*d*(d*x+c)^(1/4)/b/(-a*d+b*c)/(b*x+ a)^(3/2)+1/6*d^2*(d*x+c)^(1/4)/b/(-a*d+b*c)^2/(b*x+a)^(1/2)+1/6*d^2*Ellipt icF(b^(1/4)*(d*x+c)^(1/4)/(-a*d+b*c)^(1/4),I)*(-d*(b*x+a)/(-a*d+b*c))^(1/2 )/b^(5/4)/(-a*d+b*c)^(7/4)/(b*x+a)^(1/2)
Result contains higher order function than in optimal. Order 5 vs. order 4 in optimal.
Time = 0.02 (sec) , antiderivative size = 73, normalized size of antiderivative = 0.39 \[ \int \frac {\sqrt [4]{c+d x}}{(a+b x)^{7/2}} \, dx=-\frac {2 \sqrt [4]{c+d x} \operatorname {Hypergeometric2F1}\left (-\frac {5}{2},-\frac {1}{4},-\frac {3}{2},\frac {d (a+b x)}{-b c+a d}\right )}{5 b (a+b x)^{5/2} \sqrt [4]{\frac {b (c+d x)}{b c-a d}}} \]
(-2*(c + d*x)^(1/4)*Hypergeometric2F1[-5/2, -1/4, -3/2, (d*(a + b*x))/(-(b *c) + a*d)])/(5*b*(a + b*x)^(5/2)*((b*(c + d*x))/(b*c - a*d))^(1/4))
Time = 0.27 (sec) , antiderivative size = 209, normalized size of antiderivative = 1.13, number of steps used = 7, number of rules used = 6, \(\frac {\text {number of rules}}{\text {integrand size}}\) = 0.316, Rules used = {57, 61, 61, 73, 765, 762}
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.
\(\displaystyle \int \frac {\sqrt [4]{c+d x}}{(a+b x)^{7/2}} \, dx\) |
\(\Big \downarrow \) 57 |
\(\displaystyle \frac {d \int \frac {1}{(a+b x)^{5/2} (c+d x)^{3/4}}dx}{10 b}-\frac {2 \sqrt [4]{c+d x}}{5 b (a+b x)^{5/2}}\) |
\(\Big \downarrow \) 61 |
\(\displaystyle \frac {d \left (-\frac {5 d \int \frac {1}{(a+b x)^{3/2} (c+d x)^{3/4}}dx}{6 (b c-a d)}-\frac {2 \sqrt [4]{c+d x}}{3 (a+b x)^{3/2} (b c-a d)}\right )}{10 b}-\frac {2 \sqrt [4]{c+d x}}{5 b (a+b x)^{5/2}}\) |
\(\Big \downarrow \) 61 |
\(\displaystyle \frac {d \left (-\frac {5 d \left (-\frac {d \int \frac {1}{\sqrt {a+b x} (c+d x)^{3/4}}dx}{2 (b c-a d)}-\frac {2 \sqrt [4]{c+d x}}{\sqrt {a+b x} (b c-a d)}\right )}{6 (b c-a d)}-\frac {2 \sqrt [4]{c+d x}}{3 (a+b x)^{3/2} (b c-a d)}\right )}{10 b}-\frac {2 \sqrt [4]{c+d x}}{5 b (a+b x)^{5/2}}\) |
\(\Big \downarrow \) 73 |
\(\displaystyle \frac {d \left (-\frac {5 d \left (-\frac {2 \int \frac {1}{\sqrt {a+\frac {b (c+d x)}{d}-\frac {b c}{d}}}d\sqrt [4]{c+d x}}{b c-a d}-\frac {2 \sqrt [4]{c+d x}}{\sqrt {a+b x} (b c-a d)}\right )}{6 (b c-a d)}-\frac {2 \sqrt [4]{c+d x}}{3 (a+b x)^{3/2} (b c-a d)}\right )}{10 b}-\frac {2 \sqrt [4]{c+d x}}{5 b (a+b x)^{5/2}}\) |
\(\Big \downarrow \) 765 |
\(\displaystyle \frac {d \left (-\frac {5 d \left (-\frac {2 \sqrt {1-\frac {b (c+d x)}{b c-a d}} \int \frac {1}{\sqrt {1-\frac {b (c+d x)}{b c-a d}}}d\sqrt [4]{c+d x}}{(b c-a d) \sqrt {a+\frac {b (c+d x)}{d}-\frac {b c}{d}}}-\frac {2 \sqrt [4]{c+d x}}{\sqrt {a+b x} (b c-a d)}\right )}{6 (b c-a d)}-\frac {2 \sqrt [4]{c+d x}}{3 (a+b x)^{3/2} (b c-a d)}\right )}{10 b}-\frac {2 \sqrt [4]{c+d x}}{5 b (a+b x)^{5/2}}\) |
\(\Big \downarrow \) 762 |
\(\displaystyle \frac {d \left (-\frac {5 d \left (-\frac {2 \sqrt {1-\frac {b (c+d x)}{b c-a d}} \operatorname {EllipticF}\left (\arcsin \left (\frac {\sqrt [4]{b} \sqrt [4]{c+d x}}{\sqrt [4]{b c-a d}}\right ),-1\right )}{\sqrt [4]{b} (b c-a d)^{3/4} \sqrt {a+\frac {b (c+d x)}{d}-\frac {b c}{d}}}-\frac {2 \sqrt [4]{c+d x}}{\sqrt {a+b x} (b c-a d)}\right )}{6 (b c-a d)}-\frac {2 \sqrt [4]{c+d x}}{3 (a+b x)^{3/2} (b c-a d)}\right )}{10 b}-\frac {2 \sqrt [4]{c+d x}}{5 b (a+b x)^{5/2}}\) |
(-2*(c + d*x)^(1/4))/(5*b*(a + b*x)^(5/2)) + (d*((-2*(c + d*x)^(1/4))/(3*( b*c - a*d)*(a + b*x)^(3/2)) - (5*d*((-2*(c + d*x)^(1/4))/((b*c - a*d)*Sqrt [a + b*x]) - (2*Sqrt[1 - (b*(c + d*x))/(b*c - a*d)]*EllipticF[ArcSin[(b^(1 /4)*(c + d*x)^(1/4))/(b*c - a*d)^(1/4)], -1])/(b^(1/4)*(b*c - a*d)^(3/4)*S qrt[a - (b*c)/d + (b*(c + d*x))/d])))/(6*(b*c - a*d))))/(10*b)
3.17.34.3.1 Defintions of rubi rules used
Int[((a_.) + (b_.)*(x_))^(m_)*((c_.) + (d_.)*(x_))^(n_), x_Symbol] :> Simp[ (a + b*x)^(m + 1)*((c + d*x)^n/(b*(m + 1))), x] - Simp[d*(n/(b*(m + 1))) Int[(a + b*x)^(m + 1)*(c + d*x)^(n - 1), x], x] /; FreeQ[{a, b, c, d}, x] & & GtQ[n, 0] && LtQ[m, -1] && !(IntegerQ[n] && !IntegerQ[m]) && !(ILeQ[m + n + 2, 0] && (FractionQ[m] || GeQ[2*n + m + 1, 0])) && IntLinearQ[a, b, c , d, m, n, 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] - Simp[d*(( m + n + 2)/((b*c - a*d)*(m + 1))) Int[(a + b*x)^(m + 1)*(c + d*x)^n, x], x] /; FreeQ[{a, b, c, d, n}, x] && LtQ[m, -1] && !(LtQ[n, -1] && (EqQ[a, 0 ] || (NeQ[c, 0] && LtQ[m - n, 0] && IntegerQ[n]))) && IntLinearQ[a, b, c, d , m, n, x]
Int[((a_.) + (b_.)*(x_))^(m_)*((c_.) + (d_.)*(x_))^(n_), x_Symbol] :> With[ {p = Denominator[m]}, Simp[p/b Subst[Int[x^(p*(m + 1) - 1)*(c - a*(d/b) + d*(x^p/b))^n, x], x, (a + b*x)^(1/p)], x]] /; FreeQ[{a, b, c, d}, x] && Lt Q[-1, m, 0] && LeQ[-1, n, 0] && LeQ[Denominator[n], Denominator[m]] && IntL inearQ[a, b, c, d, m, n, x]
Int[1/Sqrt[(a_) + (b_.)*(x_)^4], x_Symbol] :> Simp[(1/(Sqrt[a]*Rt[-b/a, 4]) )*EllipticF[ArcSin[Rt[-b/a, 4]*x], -1], x] /; FreeQ[{a, b}, x] && NegQ[b/a] && GtQ[a, 0]
Int[1/Sqrt[(a_) + (b_.)*(x_)^4], x_Symbol] :> Simp[Sqrt[1 + b*(x^4/a)]/Sqrt [a + b*x^4] Int[1/Sqrt[1 + b*(x^4/a)], x], x] /; FreeQ[{a, b}, x] && NegQ [b/a] && !GtQ[a, 0]
\[\int \frac {\left (d x +c \right )^{\frac {1}{4}}}{\left (b x +a \right )^{\frac {7}{2}}}d x\]
\[ \int \frac {\sqrt [4]{c+d x}}{(a+b x)^{7/2}} \, dx=\int { \frac {{\left (d x + c\right )}^{\frac {1}{4}}}{{\left (b x + a\right )}^{\frac {7}{2}}} \,d x } \]
integral(sqrt(b*x + a)*(d*x + c)^(1/4)/(b^4*x^4 + 4*a*b^3*x^3 + 6*a^2*b^2* x^2 + 4*a^3*b*x + a^4), x)
\[ \int \frac {\sqrt [4]{c+d x}}{(a+b x)^{7/2}} \, dx=\int \frac {\sqrt [4]{c + d x}}{\left (a + b x\right )^{\frac {7}{2}}}\, dx \]
\[ \int \frac {\sqrt [4]{c+d x}}{(a+b x)^{7/2}} \, dx=\int { \frac {{\left (d x + c\right )}^{\frac {1}{4}}}{{\left (b x + a\right )}^{\frac {7}{2}}} \,d x } \]
Exception generated. \[ \int \frac {\sqrt [4]{c+d x}}{(a+b x)^{7/2}} \, dx=\text {Exception raised: TypeError} \]
Exception raised: TypeError >> an error occurred running a Giac command:IN PUT:sage2:=int(sage0,sageVARx):;OUTPUT:Unable to divide, perhaps due to ro unding error%%%{1,[0,1,4,0]%%%} / %%%{1,[0,0,0,1]%%%} Error: Bad Argument Value
Timed out. \[ \int \frac {\sqrt [4]{c+d x}}{(a+b x)^{7/2}} \, dx=\int \frac {{\left (c+d\,x\right )}^{1/4}}{{\left (a+b\,x\right )}^{7/2}} \,d x \]