Integrand size = 18, antiderivative size = 325 \[ \int (c+d x)^{3/2} \sinh ^3(a+b x) \, dx=-\frac {2 (c+d x)^{3/2} \cosh (a+b x)}{3 b}+\frac {9 d^{3/2} e^{-a+\frac {b c}{d}} \sqrt {\pi } \text {erf}\left (\frac {\sqrt {b} \sqrt {c+d x}}{\sqrt {d}}\right )}{32 b^{5/2}}-\frac {d^{3/2} e^{-3 a+\frac {3 b c}{d}} \sqrt {\frac {\pi }{3}} \text {erf}\left (\frac {\sqrt {3} \sqrt {b} \sqrt {c+d x}}{\sqrt {d}}\right )}{96 b^{5/2}}-\frac {9 d^{3/2} e^{a-\frac {b c}{d}} \sqrt {\pi } \text {erfi}\left (\frac {\sqrt {b} \sqrt {c+d x}}{\sqrt {d}}\right )}{32 b^{5/2}}+\frac {d^{3/2} e^{3 a-\frac {3 b c}{d}} \sqrt {\frac {\pi }{3}} \text {erfi}\left (\frac {\sqrt {3} \sqrt {b} \sqrt {c+d x}}{\sqrt {d}}\right )}{96 b^{5/2}}+\frac {d \sqrt {c+d x} \sinh (a+b x)}{b^2}+\frac {(c+d x)^{3/2} \cosh (a+b x) \sinh ^2(a+b x)}{3 b}-\frac {d \sqrt {c+d x} \sinh ^3(a+b x)}{6 b^2} \] Output:
-2/3*(d*x+c)^(3/2)*cosh(b*x+a)/b+9/32*d^(3/2)*exp(-a+b*c/d)*Pi^(1/2)*erf(b ^(1/2)*(d*x+c)^(1/2)/d^(1/2))/b^(5/2)-1/288*d^(3/2)*exp(-3*a+3*b*c/d)*3^(1 /2)*Pi^(1/2)*erf(3^(1/2)*b^(1/2)*(d*x+c)^(1/2)/d^(1/2))/b^(5/2)-9/32*d^(3/ 2)*exp(a-b*c/d)*Pi^(1/2)*erfi(b^(1/2)*(d*x+c)^(1/2)/d^(1/2))/b^(5/2)+1/288 *d^(3/2)*exp(3*a-3*b*c/d)*3^(1/2)*Pi^(1/2)*erfi(3^(1/2)*b^(1/2)*(d*x+c)^(1 /2)/d^(1/2))/b^(5/2)+d*(d*x+c)^(1/2)*sinh(b*x+a)/b^2+1/3*(d*x+c)^(3/2)*cos h(b*x+a)*sinh(b*x+a)^2/b-1/6*d*(d*x+c)^(1/2)*sinh(b*x+a)^3/b^2
Time = 0.37 (sec) , antiderivative size = 211, normalized size of antiderivative = 0.65 \[ \int (c+d x)^{3/2} \sinh ^3(a+b x) \, dx=\frac {d e^{-3 \left (a+\frac {b c}{d}\right )} \sqrt {c+d x} \left (-\sqrt {3} e^{6 a} \sqrt {\frac {b (c+d x)}{d}} \Gamma \left (\frac {5}{2},-\frac {3 b (c+d x)}{d}\right )+81 e^{4 a+\frac {2 b c}{d}} \sqrt {\frac {b (c+d x)}{d}} \Gamma \left (\frac {5}{2},-\frac {b (c+d x)}{d}\right )+e^{\frac {4 b c}{d}} \sqrt {-\frac {b (c+d x)}{d}} \left (-81 e^{2 a} \Gamma \left (\frac {5}{2},\frac {b (c+d x)}{d}\right )+\sqrt {3} e^{\frac {2 b c}{d}} \Gamma \left (\frac {5}{2},\frac {3 b (c+d x)}{d}\right )\right )\right )}{216 b^2 \sqrt {-\frac {b^2 (c+d x)^2}{d^2}}} \] Input:
Integrate[(c + d*x)^(3/2)*Sinh[a + b*x]^3,x]
Output:
(d*Sqrt[c + d*x]*(-(Sqrt[3]*E^(6*a)*Sqrt[(b*(c + d*x))/d]*Gamma[5/2, (-3*b *(c + d*x))/d]) + 81*E^(4*a + (2*b*c)/d)*Sqrt[(b*(c + d*x))/d]*Gamma[5/2, -((b*(c + d*x))/d)] + E^((4*b*c)/d)*Sqrt[-((b*(c + d*x))/d)]*(-81*E^(2*a)* Gamma[5/2, (b*(c + d*x))/d] + Sqrt[3]*E^((2*b*c)/d)*Gamma[5/2, (3*b*(c + d *x))/d])))/(216*b^2*E^(3*(a + (b*c)/d))*Sqrt[-((b^2*(c + d*x)^2)/d^2)])
Result contains complex when optimal does not.
Time = 1.70 (sec) , antiderivative size = 485, normalized size of antiderivative = 1.49, number of steps used = 19, number of rules used = 18, \(\frac {\text {number of rules}}{\text {integrand size}}\) = 1.000, Rules used = {3042, 26, 3792, 26, 3042, 26, 3777, 3042, 3777, 26, 3042, 26, 3789, 2611, 2633, 2634, 3793, 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.
\(\displaystyle \int (c+d x)^{3/2} \sinh ^3(a+b x) \, dx\) |
\(\Big \downarrow \) 3042 |
\(\displaystyle \int i (c+d x)^{3/2} \sin (i a+i b x)^3dx\) |
\(\Big \downarrow \) 26 |
\(\displaystyle i \int (c+d x)^{3/2} \sin (i a+i b x)^3dx\) |
\(\Big \downarrow \) 3792 |
\(\displaystyle i \left (\frac {d^2 \int -\frac {i \sinh ^3(a+b x)}{\sqrt {c+d x}}dx}{12 b^2}+\frac {2}{3} \int i (c+d x)^{3/2} \sinh (a+b x)dx+\frac {i d \sqrt {c+d x} \sinh ^3(a+b x)}{6 b^2}-\frac {i (c+d x)^{3/2} \sinh ^2(a+b x) \cosh (a+b x)}{3 b}\right )\) |
\(\Big \downarrow \) 26 |
\(\displaystyle i \left (-\frac {i d^2 \int \frac {\sinh ^3(a+b x)}{\sqrt {c+d x}}dx}{12 b^2}+\frac {2}{3} i \int (c+d x)^{3/2} \sinh (a+b x)dx+\frac {i d \sqrt {c+d x} \sinh ^3(a+b x)}{6 b^2}-\frac {i (c+d x)^{3/2} \sinh ^2(a+b x) \cosh (a+b x)}{3 b}\right )\) |
\(\Big \downarrow \) 3042 |
\(\displaystyle i \left (-\frac {i d^2 \int \frac {i \sin (i a+i b x)^3}{\sqrt {c+d x}}dx}{12 b^2}+\frac {2}{3} i \int -i (c+d x)^{3/2} \sin (i a+i b x)dx+\frac {i d \sqrt {c+d x} \sinh ^3(a+b x)}{6 b^2}-\frac {i (c+d x)^{3/2} \sinh ^2(a+b x) \cosh (a+b x)}{3 b}\right )\) |
\(\Big \downarrow \) 26 |
\(\displaystyle i \left (\frac {d^2 \int \frac {\sin (i a+i b x)^3}{\sqrt {c+d x}}dx}{12 b^2}+\frac {2}{3} \int (c+d x)^{3/2} \sin (i a+i b x)dx+\frac {i d \sqrt {c+d x} \sinh ^3(a+b x)}{6 b^2}-\frac {i (c+d x)^{3/2} \sinh ^2(a+b x) \cosh (a+b x)}{3 b}\right )\) |
\(\Big \downarrow \) 3777 |
\(\displaystyle i \left (\frac {d^2 \int \frac {\sin (i a+i b x)^3}{\sqrt {c+d x}}dx}{12 b^2}+\frac {2}{3} \left (\frac {i (c+d x)^{3/2} \cosh (a+b x)}{b}-\frac {3 i d \int \sqrt {c+d x} \cosh (a+b x)dx}{2 b}\right )+\frac {i d \sqrt {c+d x} \sinh ^3(a+b x)}{6 b^2}-\frac {i (c+d x)^{3/2} \sinh ^2(a+b x) \cosh (a+b x)}{3 b}\right )\) |
\(\Big \downarrow \) 3042 |
\(\displaystyle i \left (\frac {d^2 \int \frac {\sin (i a+i b x)^3}{\sqrt {c+d x}}dx}{12 b^2}+\frac {2}{3} \left (\frac {i (c+d x)^{3/2} \cosh (a+b x)}{b}-\frac {3 i d \int \sqrt {c+d x} \sin \left (i a+i b x+\frac {\pi }{2}\right )dx}{2 b}\right )+\frac {i d \sqrt {c+d x} \sinh ^3(a+b x)}{6 b^2}-\frac {i (c+d x)^{3/2} \sinh ^2(a+b x) \cosh (a+b x)}{3 b}\right )\) |
\(\Big \downarrow \) 3777 |
\(\displaystyle i \left (\frac {d^2 \int \frac {\sin (i a+i b x)^3}{\sqrt {c+d x}}dx}{12 b^2}+\frac {2}{3} \left (\frac {i (c+d x)^{3/2} \cosh (a+b x)}{b}-\frac {3 i d \left (\frac {\sqrt {c+d x} \sinh (a+b x)}{b}-\frac {i d \int -\frac {i \sinh (a+b x)}{\sqrt {c+d x}}dx}{2 b}\right )}{2 b}\right )+\frac {i d \sqrt {c+d x} \sinh ^3(a+b x)}{6 b^2}-\frac {i (c+d x)^{3/2} \sinh ^2(a+b x) \cosh (a+b x)}{3 b}\right )\) |
\(\Big \downarrow \) 26 |
\(\displaystyle i \left (\frac {d^2 \int \frac {\sin (i a+i b x)^3}{\sqrt {c+d x}}dx}{12 b^2}+\frac {2}{3} \left (\frac {i (c+d x)^{3/2} \cosh (a+b x)}{b}-\frac {3 i d \left (\frac {\sqrt {c+d x} \sinh (a+b x)}{b}-\frac {d \int \frac {\sinh (a+b x)}{\sqrt {c+d x}}dx}{2 b}\right )}{2 b}\right )+\frac {i d \sqrt {c+d x} \sinh ^3(a+b x)}{6 b^2}-\frac {i (c+d x)^{3/2} \sinh ^2(a+b x) \cosh (a+b x)}{3 b}\right )\) |
\(\Big \downarrow \) 3042 |
\(\displaystyle i \left (\frac {d^2 \int \frac {\sin (i a+i b x)^3}{\sqrt {c+d x}}dx}{12 b^2}+\frac {2}{3} \left (\frac {i (c+d x)^{3/2} \cosh (a+b x)}{b}-\frac {3 i d \left (\frac {\sqrt {c+d x} \sinh (a+b x)}{b}-\frac {d \int -\frac {i \sin (i a+i b x)}{\sqrt {c+d x}}dx}{2 b}\right )}{2 b}\right )+\frac {i d \sqrt {c+d x} \sinh ^3(a+b x)}{6 b^2}-\frac {i (c+d x)^{3/2} \sinh ^2(a+b x) \cosh (a+b x)}{3 b}\right )\) |
\(\Big \downarrow \) 26 |
\(\displaystyle i \left (\frac {d^2 \int \frac {\sin (i a+i b x)^3}{\sqrt {c+d x}}dx}{12 b^2}+\frac {2}{3} \left (\frac {i (c+d x)^{3/2} \cosh (a+b x)}{b}-\frac {3 i d \left (\frac {\sqrt {c+d x} \sinh (a+b x)}{b}+\frac {i d \int \frac {\sin (i a+i b x)}{\sqrt {c+d x}}dx}{2 b}\right )}{2 b}\right )+\frac {i d \sqrt {c+d x} \sinh ^3(a+b x)}{6 b^2}-\frac {i (c+d x)^{3/2} \sinh ^2(a+b x) \cosh (a+b x)}{3 b}\right )\) |
\(\Big \downarrow \) 3789 |
\(\displaystyle i \left (\frac {d^2 \int \frac {\sin (i a+i b x)^3}{\sqrt {c+d x}}dx}{12 b^2}+\frac {2}{3} \left (\frac {i (c+d x)^{3/2} \cosh (a+b x)}{b}-\frac {3 i d \left (\frac {\sqrt {c+d x} \sinh (a+b x)}{b}+\frac {i d \left (\frac {1}{2} i \int \frac {e^{a+b x}}{\sqrt {c+d x}}dx-\frac {1}{2} i \int \frac {e^{-a-b x}}{\sqrt {c+d x}}dx\right )}{2 b}\right )}{2 b}\right )+\frac {i d \sqrt {c+d x} \sinh ^3(a+b x)}{6 b^2}-\frac {i (c+d x)^{3/2} \sinh ^2(a+b x) \cosh (a+b x)}{3 b}\right )\) |
\(\Big \downarrow \) 2611 |
\(\displaystyle i \left (\frac {d^2 \int \frac {\sin (i a+i b x)^3}{\sqrt {c+d x}}dx}{12 b^2}+\frac {2}{3} \left (\frac {i (c+d x)^{3/2} \cosh (a+b x)}{b}-\frac {3 i d \left (\frac {\sqrt {c+d x} \sinh (a+b x)}{b}+\frac {i d \left (\frac {i \int e^{a+\frac {b (c+d x)}{d}-\frac {b c}{d}}d\sqrt {c+d x}}{d}-\frac {i \int e^{-a-\frac {b (c+d x)}{d}+\frac {b c}{d}}d\sqrt {c+d x}}{d}\right )}{2 b}\right )}{2 b}\right )+\frac {i d \sqrt {c+d x} \sinh ^3(a+b x)}{6 b^2}-\frac {i (c+d x)^{3/2} \sinh ^2(a+b x) \cosh (a+b x)}{3 b}\right )\) |
\(\Big \downarrow \) 2633 |
\(\displaystyle i \left (\frac {d^2 \int \frac {\sin (i a+i b x)^3}{\sqrt {c+d x}}dx}{12 b^2}+\frac {2}{3} \left (\frac {i (c+d x)^{3/2} \cosh (a+b x)}{b}-\frac {3 i d \left (\frac {\sqrt {c+d x} \sinh (a+b x)}{b}+\frac {i d \left (\frac {i \sqrt {\pi } e^{a-\frac {b c}{d}} \text {erfi}\left (\frac {\sqrt {b} \sqrt {c+d x}}{\sqrt {d}}\right )}{2 \sqrt {b} \sqrt {d}}-\frac {i \int e^{-a-\frac {b (c+d x)}{d}+\frac {b c}{d}}d\sqrt {c+d x}}{d}\right )}{2 b}\right )}{2 b}\right )+\frac {i d \sqrt {c+d x} \sinh ^3(a+b x)}{6 b^2}-\frac {i (c+d x)^{3/2} \sinh ^2(a+b x) \cosh (a+b x)}{3 b}\right )\) |
\(\Big \downarrow \) 2634 |
\(\displaystyle i \left (\frac {d^2 \int \frac {\sin (i a+i b x)^3}{\sqrt {c+d x}}dx}{12 b^2}+\frac {i d \sqrt {c+d x} \sinh ^3(a+b x)}{6 b^2}+\frac {2}{3} \left (\frac {i (c+d x)^{3/2} \cosh (a+b x)}{b}-\frac {3 i d \left (\frac {\sqrt {c+d x} \sinh (a+b x)}{b}+\frac {i d \left (\frac {i \sqrt {\pi } e^{a-\frac {b c}{d}} \text {erfi}\left (\frac {\sqrt {b} \sqrt {c+d x}}{\sqrt {d}}\right )}{2 \sqrt {b} \sqrt {d}}-\frac {i \sqrt {\pi } e^{\frac {b c}{d}-a} \text {erf}\left (\frac {\sqrt {b} \sqrt {c+d x}}{\sqrt {d}}\right )}{2 \sqrt {b} \sqrt {d}}\right )}{2 b}\right )}{2 b}\right )-\frac {i (c+d x)^{3/2} \sinh ^2(a+b x) \cosh (a+b x)}{3 b}\right )\) |
\(\Big \downarrow \) 3793 |
\(\displaystyle i \left (\frac {d^2 \int \left (\frac {3 i \sinh (a+b x)}{4 \sqrt {c+d x}}-\frac {i \sinh (3 a+3 b x)}{4 \sqrt {c+d x}}\right )dx}{12 b^2}+\frac {i d \sqrt {c+d x} \sinh ^3(a+b x)}{6 b^2}+\frac {2}{3} \left (\frac {i (c+d x)^{3/2} \cosh (a+b x)}{b}-\frac {3 i d \left (\frac {\sqrt {c+d x} \sinh (a+b x)}{b}+\frac {i d \left (\frac {i \sqrt {\pi } e^{a-\frac {b c}{d}} \text {erfi}\left (\frac {\sqrt {b} \sqrt {c+d x}}{\sqrt {d}}\right )}{2 \sqrt {b} \sqrt {d}}-\frac {i \sqrt {\pi } e^{\frac {b c}{d}-a} \text {erf}\left (\frac {\sqrt {b} \sqrt {c+d x}}{\sqrt {d}}\right )}{2 \sqrt {b} \sqrt {d}}\right )}{2 b}\right )}{2 b}\right )-\frac {i (c+d x)^{3/2} \sinh ^2(a+b x) \cosh (a+b x)}{3 b}\right )\) |
\(\Big \downarrow \) 2009 |
\(\displaystyle i \left (\frac {d^2 \left (-\frac {3 i \sqrt {\pi } e^{\frac {b c}{d}-a} \text {erf}\left (\frac {\sqrt {b} \sqrt {c+d x}}{\sqrt {d}}\right )}{8 \sqrt {b} \sqrt {d}}+\frac {i \sqrt {\frac {\pi }{3}} e^{\frac {3 b c}{d}-3 a} \text {erf}\left (\frac {\sqrt {3} \sqrt {b} \sqrt {c+d x}}{\sqrt {d}}\right )}{8 \sqrt {b} \sqrt {d}}+\frac {3 i \sqrt {\pi } e^{a-\frac {b c}{d}} \text {erfi}\left (\frac {\sqrt {b} \sqrt {c+d x}}{\sqrt {d}}\right )}{8 \sqrt {b} \sqrt {d}}-\frac {i \sqrt {\frac {\pi }{3}} e^{3 a-\frac {3 b c}{d}} \text {erfi}\left (\frac {\sqrt {3} \sqrt {b} \sqrt {c+d x}}{\sqrt {d}}\right )}{8 \sqrt {b} \sqrt {d}}\right )}{12 b^2}+\frac {i d \sqrt {c+d x} \sinh ^3(a+b x)}{6 b^2}+\frac {2}{3} \left (\frac {i (c+d x)^{3/2} \cosh (a+b x)}{b}-\frac {3 i d \left (\frac {\sqrt {c+d x} \sinh (a+b x)}{b}+\frac {i d \left (\frac {i \sqrt {\pi } e^{a-\frac {b c}{d}} \text {erfi}\left (\frac {\sqrt {b} \sqrt {c+d x}}{\sqrt {d}}\right )}{2 \sqrt {b} \sqrt {d}}-\frac {i \sqrt {\pi } e^{\frac {b c}{d}-a} \text {erf}\left (\frac {\sqrt {b} \sqrt {c+d x}}{\sqrt {d}}\right )}{2 \sqrt {b} \sqrt {d}}\right )}{2 b}\right )}{2 b}\right )-\frac {i (c+d x)^{3/2} \sinh ^2(a+b x) \cosh (a+b x)}{3 b}\right )\) |
Input:
Int[(c + d*x)^(3/2)*Sinh[a + b*x]^3,x]
Output:
I*((d^2*((((-3*I)/8)*E^(-a + (b*c)/d)*Sqrt[Pi]*Erf[(Sqrt[b]*Sqrt[c + d*x]) /Sqrt[d]])/(Sqrt[b]*Sqrt[d]) + ((I/8)*E^(-3*a + (3*b*c)/d)*Sqrt[Pi/3]*Erf[ (Sqrt[3]*Sqrt[b]*Sqrt[c + d*x])/Sqrt[d]])/(Sqrt[b]*Sqrt[d]) + (((3*I)/8)*E ^(a - (b*c)/d)*Sqrt[Pi]*Erfi[(Sqrt[b]*Sqrt[c + d*x])/Sqrt[d]])/(Sqrt[b]*Sq rt[d]) - ((I/8)*E^(3*a - (3*b*c)/d)*Sqrt[Pi/3]*Erfi[(Sqrt[3]*Sqrt[b]*Sqrt[ c + d*x])/Sqrt[d]])/(Sqrt[b]*Sqrt[d])))/(12*b^2) - ((I/3)*(c + d*x)^(3/2)* Cosh[a + b*x]*Sinh[a + b*x]^2)/b + ((I/6)*d*Sqrt[c + d*x]*Sinh[a + b*x]^3) /b^2 + (2*((I*(c + d*x)^(3/2)*Cosh[a + b*x])/b - (((3*I)/2)*d*(((I/2)*d*(( (-1/2*I)*E^(-a + (b*c)/d)*Sqrt[Pi]*Erf[(Sqrt[b]*Sqrt[c + d*x])/Sqrt[d]])/( Sqrt[b]*Sqrt[d]) + ((I/2)*E^(a - (b*c)/d)*Sqrt[Pi]*Erfi[(Sqrt[b]*Sqrt[c + d*x])/Sqrt[d]])/(Sqrt[b]*Sqrt[d])))/b + (Sqrt[c + d*x]*Sinh[a + b*x])/b))/ b))/3)
Int[(Complex[0, a_])*(Fx_), x_Symbol] :> Simp[(Complex[Identity[0], a]) I nt[Fx, x], x] /; FreeQ[a, x] && EqQ[a^2, 1]
Int[(F_)^((g_.)*((e_.) + (f_.)*(x_)))/Sqrt[(c_.) + (d_.)*(x_)], x_Symbol] : > Simp[2/d Subst[Int[F^(g*(e - c*(f/d)) + f*g*(x^2/d)), x], x, Sqrt[c + d *x]], x] /; FreeQ[{F, c, d, e, f, g}, x] && !TrueQ[$UseGamma]
Int[(F_)^((a_.) + (b_.)*((c_.) + (d_.)*(x_))^2), x_Symbol] :> Simp[F^a*Sqrt [Pi]*(Erfi[(c + d*x)*Rt[b*Log[F], 2]]/(2*d*Rt[b*Log[F], 2])), x] /; FreeQ[{ F, a, b, c, d}, x] && PosQ[b]
Int[(F_)^((a_.) + (b_.)*((c_.) + (d_.)*(x_))^2), x_Symbol] :> Simp[F^a*Sqrt [Pi]*(Erf[(c + d*x)*Rt[(-b)*Log[F], 2]]/(2*d*Rt[(-b)*Log[F], 2])), x] /; Fr eeQ[{F, a, b, c, d}, x] && NegQ[b]
Int[((c_.) + (d_.)*(x_))^(m_.)*sin[(e_.) + (f_.)*(x_)], x_Symbol] :> Simp[( -(c + d*x)^m)*(Cos[e + f*x]/f), x] + Simp[d*(m/f) Int[(c + d*x)^(m - 1)*C os[e + f*x], x], x] /; FreeQ[{c, d, e, f}, x] && GtQ[m, 0]
Int[((c_.) + (d_.)*(x_))^(m_.)*sin[(e_.) + (f_.)*(x_)], x_Symbol] :> Simp[I /2 Int[(c + d*x)^m/E^(I*(e + f*x)), x], x] - Simp[I/2 Int[(c + d*x)^m*E ^(I*(e + f*x)), x], x] /; FreeQ[{c, d, e, f, m}, x]
Int[((c_.) + (d_.)*(x_))^(m_)*((b_.)*sin[(e_.) + (f_.)*(x_)])^(n_), x_Symbo l] :> Simp[d*m*(c + d*x)^(m - 1)*((b*Sin[e + f*x])^n/(f^2*n^2)), x] + (-Sim p[b*(c + d*x)^m*Cos[e + f*x]*((b*Sin[e + f*x])^(n - 1)/(f*n)), x] + Simp[b^ 2*((n - 1)/n) Int[(c + d*x)^m*(b*Sin[e + f*x])^(n - 2), x], x] - Simp[d^2 *m*((m - 1)/(f^2*n^2)) Int[(c + d*x)^(m - 2)*(b*Sin[e + f*x])^n, x], x]) /; FreeQ[{b, c, d, e, f}, x] && GtQ[n, 1] && GtQ[m, 1]
Int[((c_.) + (d_.)*(x_))^(m_)*sin[(e_.) + (f_.)*(x_)]^(n_), x_Symbol] :> In t[ExpandTrigReduce[(c + d*x)^m, Sin[e + f*x]^n, x], x] /; FreeQ[{c, d, e, f , m}, x] && IGtQ[n, 1] && ( !RationalQ[m] || (GeQ[m, -1] && LtQ[m, 1]))
\[\int \left (d x +c \right )^{\frac {3}{2}} \sinh \left (b x +a \right )^{3}d x\]
Input:
int((d*x+c)^(3/2)*sinh(b*x+a)^3,x)
Output:
int((d*x+c)^(3/2)*sinh(b*x+a)^3,x)
Leaf count of result is larger than twice the leaf count of optimal. 1543 vs. \(2 (245) = 490\).
Time = 0.11 (sec) , antiderivative size = 1543, normalized size of antiderivative = 4.75 \[ \int (c+d x)^{3/2} \sinh ^3(a+b x) \, dx=\text {Too large to display} \] Input:
integrate((d*x+c)^(3/2)*sinh(b*x+a)^3,x, algorithm="fricas")
Output:
-1/288*(sqrt(3)*sqrt(pi)*(d^2*cosh(b*x + a)^3*cosh(-3*(b*c - a*d)/d) - d^2 *cosh(b*x + a)^3*sinh(-3*(b*c - a*d)/d) + (d^2*cosh(-3*(b*c - a*d)/d) - d^ 2*sinh(-3*(b*c - a*d)/d))*sinh(b*x + a)^3 + 3*(d^2*cosh(b*x + a)*cosh(-3*( b*c - a*d)/d) - d^2*cosh(b*x + a)*sinh(-3*(b*c - a*d)/d))*sinh(b*x + a)^2 + 3*(d^2*cosh(b*x + a)^2*cosh(-3*(b*c - a*d)/d) - d^2*cosh(b*x + a)^2*sinh (-3*(b*c - a*d)/d))*sinh(b*x + a))*sqrt(b/d)*erf(sqrt(3)*sqrt(d*x + c)*sqr t(b/d)) + sqrt(3)*sqrt(pi)*(d^2*cosh(b*x + a)^3*cosh(-3*(b*c - a*d)/d) + d ^2*cosh(b*x + a)^3*sinh(-3*(b*c - a*d)/d) + (d^2*cosh(-3*(b*c - a*d)/d) + d^2*sinh(-3*(b*c - a*d)/d))*sinh(b*x + a)^3 + 3*(d^2*cosh(b*x + a)*cosh(-3 *(b*c - a*d)/d) + d^2*cosh(b*x + a)*sinh(-3*(b*c - a*d)/d))*sinh(b*x + a)^ 2 + 3*(d^2*cosh(b*x + a)^2*cosh(-3*(b*c - a*d)/d) + d^2*cosh(b*x + a)^2*si nh(-3*(b*c - a*d)/d))*sinh(b*x + a))*sqrt(-b/d)*erf(sqrt(3)*sqrt(d*x + c)* sqrt(-b/d)) - 81*sqrt(pi)*(d^2*cosh(b*x + a)^3*cosh(-(b*c - a*d)/d) - d^2* cosh(b*x + a)^3*sinh(-(b*c - a*d)/d) + (d^2*cosh(-(b*c - a*d)/d) - d^2*sin h(-(b*c - a*d)/d))*sinh(b*x + a)^3 + 3*(d^2*cosh(b*x + a)*cosh(-(b*c - a*d )/d) - d^2*cosh(b*x + a)*sinh(-(b*c - a*d)/d))*sinh(b*x + a)^2 + 3*(d^2*co sh(b*x + a)^2*cosh(-(b*c - a*d)/d) - d^2*cosh(b*x + a)^2*sinh(-(b*c - a*d) /d))*sinh(b*x + a))*sqrt(b/d)*erf(sqrt(d*x + c)*sqrt(b/d)) - 81*sqrt(pi)*( d^2*cosh(b*x + a)^3*cosh(-(b*c - a*d)/d) + d^2*cosh(b*x + a)^3*sinh(-(b*c - a*d)/d) + (d^2*cosh(-(b*c - a*d)/d) + d^2*sinh(-(b*c - a*d)/d))*sinh(...
\[ \int (c+d x)^{3/2} \sinh ^3(a+b x) \, dx=\int \left (c + d x\right )^{\frac {3}{2}} \sinh ^{3}{\left (a + b x \right )}\, dx \] Input:
integrate((d*x+c)**(3/2)*sinh(b*x+a)**3,x)
Output:
Integral((c + d*x)**(3/2)*sinh(a + b*x)**3, x)
Time = 0.16 (sec) , antiderivative size = 430, normalized size of antiderivative = 1.32 \[ \int (c+d x)^{3/2} \sinh ^3(a+b x) \, dx=\frac {\frac {\sqrt {3} \sqrt {\pi } d^{2} \operatorname {erf}\left (\sqrt {3} \sqrt {d x + c} \sqrt {-\frac {b}{d}}\right ) e^{\left (3 \, a - \frac {3 \, b c}{d}\right )}}{b^{2} \sqrt {-\frac {b}{d}}} - \frac {\sqrt {3} \sqrt {\pi } d^{2} \operatorname {erf}\left (\sqrt {3} \sqrt {d x + c} \sqrt {\frac {b}{d}}\right ) e^{\left (-3 \, a + \frac {3 \, b c}{d}\right )}}{b^{2} \sqrt {\frac {b}{d}}} - \frac {81 \, \sqrt {\pi } d^{2} \operatorname {erf}\left (\sqrt {d x + c} \sqrt {-\frac {b}{d}}\right ) e^{\left (a - \frac {b c}{d}\right )}}{b^{2} \sqrt {-\frac {b}{d}}} + \frac {81 \, \sqrt {\pi } d^{2} \operatorname {erf}\left (\sqrt {d x + c} \sqrt {\frac {b}{d}}\right ) e^{\left (-a + \frac {b c}{d}\right )}}{b^{2} \sqrt {\frac {b}{d}}} - \frac {54 \, {\left (2 \, {\left (d x + c\right )}^{\frac {3}{2}} b d e^{\left (\frac {b c}{d}\right )} + 3 \, \sqrt {d x + c} d^{2} e^{\left (\frac {b c}{d}\right )}\right )} e^{\left (-a - \frac {{\left (d x + c\right )} b}{d}\right )}}{b^{2}} + \frac {6 \, {\left (2 \, {\left (d x + c\right )}^{\frac {3}{2}} b d e^{\left (\frac {3 \, b c}{d}\right )} + \sqrt {d x + c} d^{2} e^{\left (\frac {3 \, b c}{d}\right )}\right )} e^{\left (-3 \, a - \frac {3 \, {\left (d x + c\right )} b}{d}\right )}}{b^{2}} + \frac {6 \, {\left (2 \, {\left (d x + c\right )}^{\frac {3}{2}} b d e^{\left (3 \, a\right )} - \sqrt {d x + c} d^{2} e^{\left (3 \, a\right )}\right )} e^{\left (\frac {3 \, {\left (d x + c\right )} b}{d} - \frac {3 \, b c}{d}\right )}}{b^{2}} - \frac {54 \, {\left (2 \, {\left (d x + c\right )}^{\frac {3}{2}} b d e^{a} - 3 \, \sqrt {d x + c} d^{2} e^{a}\right )} e^{\left (\frac {{\left (d x + c\right )} b}{d} - \frac {b c}{d}\right )}}{b^{2}}}{288 \, d} \] Input:
integrate((d*x+c)^(3/2)*sinh(b*x+a)^3,x, algorithm="maxima")
Output:
1/288*(sqrt(3)*sqrt(pi)*d^2*erf(sqrt(3)*sqrt(d*x + c)*sqrt(-b/d))*e^(3*a - 3*b*c/d)/(b^2*sqrt(-b/d)) - sqrt(3)*sqrt(pi)*d^2*erf(sqrt(3)*sqrt(d*x + c )*sqrt(b/d))*e^(-3*a + 3*b*c/d)/(b^2*sqrt(b/d)) - 81*sqrt(pi)*d^2*erf(sqrt (d*x + c)*sqrt(-b/d))*e^(a - b*c/d)/(b^2*sqrt(-b/d)) + 81*sqrt(pi)*d^2*erf (sqrt(d*x + c)*sqrt(b/d))*e^(-a + b*c/d)/(b^2*sqrt(b/d)) - 54*(2*(d*x + c) ^(3/2)*b*d*e^(b*c/d) + 3*sqrt(d*x + c)*d^2*e^(b*c/d))*e^(-a - (d*x + c)*b/ d)/b^2 + 6*(2*(d*x + c)^(3/2)*b*d*e^(3*b*c/d) + sqrt(d*x + c)*d^2*e^(3*b*c /d))*e^(-3*a - 3*(d*x + c)*b/d)/b^2 + 6*(2*(d*x + c)^(3/2)*b*d*e^(3*a) - s qrt(d*x + c)*d^2*e^(3*a))*e^(3*(d*x + c)*b/d - 3*b*c/d)/b^2 - 54*(2*(d*x + c)^(3/2)*b*d*e^a - 3*sqrt(d*x + c)*d^2*e^a)*e^((d*x + c)*b/d - b*c/d)/b^2 )/d
\[ \int (c+d x)^{3/2} \sinh ^3(a+b x) \, dx=\int { {\left (d x + c\right )}^{\frac {3}{2}} \sinh \left (b x + a\right )^{3} \,d x } \] Input:
integrate((d*x+c)^(3/2)*sinh(b*x+a)^3,x, algorithm="giac")
Output:
integrate((d*x + c)^(3/2)*sinh(b*x + a)^3, x)
Timed out. \[ \int (c+d x)^{3/2} \sinh ^3(a+b x) \, dx=\int {\mathrm {sinh}\left (a+b\,x\right )}^3\,{\left (c+d\,x\right )}^{3/2} \,d x \] Input:
int(sinh(a + b*x)^3*(c + d*x)^(3/2),x)
Output:
int(sinh(a + b*x)^3*(c + d*x)^(3/2), x)
\[ \int (c+d x)^{3/2} \sinh ^3(a+b x) \, dx=\left (\int \sqrt {d x +c}\, \sinh \left (b x +a \right )^{3} x d x \right ) d +\left (\int \sqrt {d x +c}\, \sinh \left (b x +a \right )^{3}d x \right ) c \] Input:
int((d*x+c)^(3/2)*sinh(b*x+a)^3,x)
Output:
int(sqrt(c + d*x)*sinh(a + b*x)**3*x,x)*d + int(sqrt(c + d*x)*sinh(a + b*x )**3,x)*c