Integrand size = 12, antiderivative size = 79 \[ \int \frac {1}{(b \tanh (c+d x))^{5/2}} \, dx=\frac {\arctan \left (\frac {\sqrt {b \tanh (c+d x)}}{\sqrt {b}}\right )}{b^{5/2} d}+\frac {\text {arctanh}\left (\frac {\sqrt {b \tanh (c+d x)}}{\sqrt {b}}\right )}{b^{5/2} d}-\frac {2}{3 b d (b \tanh (c+d x))^{3/2}} \] Output:
arctan((b*tanh(d*x+c))^(1/2)/b^(1/2))/b^(5/2)/d+arctanh((b*tanh(d*x+c))^(1 /2)/b^(1/2))/b^(5/2)/d-2/3/b/d/(b*tanh(d*x+c))^(3/2)
Time = 0.07 (sec) , antiderivative size = 78, normalized size of antiderivative = 0.99 \[ \int \frac {1}{(b \tanh (c+d x))^{5/2}} \, dx=\frac {-2+3 \arctan \left (\sqrt [4]{\tanh ^2(c+d x)}\right ) \tanh ^2(c+d x)^{3/4}+3 \text {arctanh}\left (\sqrt [4]{\tanh ^2(c+d x)}\right ) \tanh ^2(c+d x)^{3/4}}{3 b d (b \tanh (c+d x))^{3/2}} \] Input:
Integrate[(b*Tanh[c + d*x])^(-5/2),x]
Output:
(-2 + 3*ArcTan[(Tanh[c + d*x]^2)^(1/4)]*(Tanh[c + d*x]^2)^(3/4) + 3*ArcTan h[(Tanh[c + d*x]^2)^(1/4)]*(Tanh[c + d*x]^2)^(3/4))/(3*b*d*(b*Tanh[c + d*x ])^(3/2))
Time = 0.34 (sec) , antiderivative size = 76, normalized size of antiderivative = 0.96, number of steps used = 10, number of rules used = 9, \(\frac {\text {number of rules}}{\text {integrand size}}\) = 0.750, Rules used = {3042, 3955, 3042, 3957, 25, 266, 756, 216, 219}
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.
\(\displaystyle \int \frac {1}{(b \tanh (c+d x))^{5/2}} \, dx\) |
\(\Big \downarrow \) 3042 |
\(\displaystyle \int \frac {1}{(-i b \tan (i c+i d x))^{5/2}}dx\) |
\(\Big \downarrow \) 3955 |
\(\displaystyle \frac {\int \frac {1}{\sqrt {b \tanh (c+d x)}}dx}{b^2}-\frac {2}{3 b d (b \tanh (c+d x))^{3/2}}\) |
\(\Big \downarrow \) 3042 |
\(\displaystyle -\frac {2}{3 b d (b \tanh (c+d x))^{3/2}}+\frac {\int \frac {1}{\sqrt {-i b \tan (i c+i d x)}}dx}{b^2}\) |
\(\Big \downarrow \) 3957 |
\(\displaystyle -\frac {\int -\frac {1}{\sqrt {b \tanh (c+d x)} \left (b^2-b^2 \tanh ^2(c+d x)\right )}d(b \tanh (c+d x))}{b d}-\frac {2}{3 b d (b \tanh (c+d x))^{3/2}}\) |
\(\Big \downarrow \) 25 |
\(\displaystyle \frac {\int \frac {1}{\sqrt {b \tanh (c+d x)} \left (b^2-b^2 \tanh ^2(c+d x)\right )}d(b \tanh (c+d x))}{b d}-\frac {2}{3 b d (b \tanh (c+d x))^{3/2}}\) |
\(\Big \downarrow \) 266 |
\(\displaystyle \frac {2 \int \frac {1}{b^2-b^4 \tanh ^4(c+d x)}d\sqrt {b \tanh (c+d x)}}{b d}-\frac {2}{3 b d (b \tanh (c+d x))^{3/2}}\) |
\(\Big \downarrow \) 756 |
\(\displaystyle \frac {2 \left (\frac {\int \frac {1}{b-b^2 \tanh ^2(c+d x)}d\sqrt {b \tanh (c+d x)}}{2 b}+\frac {\int \frac {1}{b^2 \tanh ^2(c+d x)+b}d\sqrt {b \tanh (c+d x)}}{2 b}\right )}{b d}-\frac {2}{3 b d (b \tanh (c+d x))^{3/2}}\) |
\(\Big \downarrow \) 216 |
\(\displaystyle \frac {2 \left (\frac {\int \frac {1}{b-b^2 \tanh ^2(c+d x)}d\sqrt {b \tanh (c+d x)}}{2 b}+\frac {\arctan \left (\sqrt {b} \tanh (c+d x)\right )}{2 b^{3/2}}\right )}{b d}-\frac {2}{3 b d (b \tanh (c+d x))^{3/2}}\) |
\(\Big \downarrow \) 219 |
\(\displaystyle \frac {2 \left (\frac {\arctan \left (\sqrt {b} \tanh (c+d x)\right )}{2 b^{3/2}}+\frac {\text {arctanh}\left (\sqrt {b} \tanh (c+d x)\right )}{2 b^{3/2}}\right )}{b d}-\frac {2}{3 b d (b \tanh (c+d x))^{3/2}}\) |
Input:
Int[(b*Tanh[c + d*x])^(-5/2),x]
Output:
(2*(ArcTan[Sqrt[b]*Tanh[c + d*x]]/(2*b^(3/2)) + ArcTanh[Sqrt[b]*Tanh[c + d *x]]/(2*b^(3/2))))/(b*d) - 2/(3*b*d*(b*Tanh[c + d*x])^(3/2))
Int[((a_) + (b_.)*(x_)^2)^(-1), x_Symbol] :> Simp[(1/(Rt[a, 2]*Rt[b, 2]))*A rcTan[Rt[b, 2]*(x/Rt[a, 2])], x] /; FreeQ[{a, b}, x] && PosQ[a/b] && (GtQ[a , 0] || GtQ[b, 0])
Int[((a_) + (b_.)*(x_)^2)^(-1), x_Symbol] :> Simp[(1/(Rt[a, 2]*Rt[-b, 2]))* ArcTanh[Rt[-b, 2]*(x/Rt[a, 2])], x] /; FreeQ[{a, b}, x] && NegQ[a/b] && (Gt Q[a, 0] || LtQ[b, 0])
Int[((c_.)*(x_))^(m_)*((a_) + (b_.)*(x_)^2)^(p_), x_Symbol] :> With[{k = De nominator[m]}, Simp[k/c Subst[Int[x^(k*(m + 1) - 1)*(a + b*(x^(2*k)/c^2)) ^p, x], x, (c*x)^(1/k)], x]] /; FreeQ[{a, b, c, p}, x] && FractionQ[m] && I ntBinomialQ[a, b, c, 2, m, p, x]
Int[((a_) + (b_.)*(x_)^4)^(-1), x_Symbol] :> With[{r = Numerator[Rt[-a/b, 2 ]], s = Denominator[Rt[-a/b, 2]]}, Simp[r/(2*a) Int[1/(r - s*x^2), x], x] + Simp[r/(2*a) Int[1/(r + s*x^2), x], x]] /; FreeQ[{a, b}, x] && !GtQ[a /b, 0]
Int[((b_.)*tan[(c_.) + (d_.)*(x_)])^(n_), x_Symbol] :> Simp[(b*Tan[c + d*x] )^(n + 1)/(b*d*(n + 1)), x] - Simp[1/b^2 Int[(b*Tan[c + d*x])^(n + 2), x] , x] /; FreeQ[{b, c, d}, x] && LtQ[n, -1]
Int[((b_.)*tan[(c_.) + (d_.)*(x_)])^(n_), x_Symbol] :> Simp[b/d Subst[Int [x^n/(b^2 + x^2), x], x, b*Tan[c + d*x]], x] /; FreeQ[{b, c, d, n}, x] && !IntegerQ[n]
Time = 0.39 (sec) , antiderivative size = 64, normalized size of antiderivative = 0.81
method | result | size |
derivativedivides | \(\frac {\arctan \left (\frac {\sqrt {b \tanh \left (d x +c \right )}}{\sqrt {b}}\right )}{b^{\frac {5}{2}} d}+\frac {\operatorname {arctanh}\left (\frac {\sqrt {b \tanh \left (d x +c \right )}}{\sqrt {b}}\right )}{b^{\frac {5}{2}} d}-\frac {2}{3 b d \left (b \tanh \left (d x +c \right )\right )^{\frac {3}{2}}}\) | \(64\) |
default | \(\frac {\arctan \left (\frac {\sqrt {b \tanh \left (d x +c \right )}}{\sqrt {b}}\right )}{b^{\frac {5}{2}} d}+\frac {\operatorname {arctanh}\left (\frac {\sqrt {b \tanh \left (d x +c \right )}}{\sqrt {b}}\right )}{b^{\frac {5}{2}} d}-\frac {2}{3 b d \left (b \tanh \left (d x +c \right )\right )^{\frac {3}{2}}}\) | \(64\) |
Input:
int(1/(b*tanh(d*x+c))^(5/2),x,method=_RETURNVERBOSE)
Output:
arctan((b*tanh(d*x+c))^(1/2)/b^(1/2))/b^(5/2)/d+arctanh((b*tanh(d*x+c))^(1 /2)/b^(1/2))/b^(5/2)/d-2/3/b/d/(b*tanh(d*x+c))^(3/2)
Leaf count of result is larger than twice the leaf count of optimal. 682 vs. \(2 (63) = 126\).
Time = 0.13 (sec) , antiderivative size = 1425, normalized size of antiderivative = 18.04 \[ \int \frac {1}{(b \tanh (c+d x))^{5/2}} \, dx=\text {Too large to display} \] Input:
integrate(1/(b*tanh(d*x+c))^(5/2),x, algorithm="fricas")
Output:
[-1/12*(6*(cosh(d*x + c)^4 + 4*cosh(d*x + c)*sinh(d*x + c)^3 + sinh(d*x + c)^4 + 2*(3*cosh(d*x + c)^2 - 1)*sinh(d*x + c)^2 - 2*cosh(d*x + c)^2 + 4*( cosh(d*x + c)^3 - cosh(d*x + c))*sinh(d*x + c) + 1)*sqrt(-b)*arctan((cosh( d*x + c)^2 + 2*cosh(d*x + c)*sinh(d*x + c) + sinh(d*x + c)^2 + 1)*sqrt(-b) *sqrt(b*sinh(d*x + c)/cosh(d*x + c))/(b*cosh(d*x + c)^2 + 2*b*cosh(d*x + c )*sinh(d*x + c) + b*sinh(d*x + c)^2)) + 3*(cosh(d*x + c)^4 + 4*cosh(d*x + c)*sinh(d*x + c)^3 + sinh(d*x + c)^4 + 2*(3*cosh(d*x + c)^2 - 1)*sinh(d*x + c)^2 - 2*cosh(d*x + c)^2 + 4*(cosh(d*x + c)^3 - cosh(d*x + c))*sinh(d*x + c) + 1)*sqrt(-b)*log(-(b*cosh(d*x + c)^4 + 4*b*cosh(d*x + c)^3*sinh(d*x + c) + 6*b*cosh(d*x + c)^2*sinh(d*x + c)^2 + 4*b*cosh(d*x + c)*sinh(d*x + c)^3 + b*sinh(d*x + c)^4 - 2*(cosh(d*x + c)^2 + 2*cosh(d*x + c)*sinh(d*x + c) + sinh(d*x + c)^2 + 1)*sqrt(-b)*sqrt(b*sinh(d*x + c)/cosh(d*x + c)) - 2*b)/(cosh(d*x + c)^4 + 4*cosh(d*x + c)^3*sinh(d*x + c) + 6*cosh(d*x + c)^ 2*sinh(d*x + c)^2 + 4*cosh(d*x + c)*sinh(d*x + c)^3 + sinh(d*x + c)^4)) + 8*(cosh(d*x + c)^4 + 4*cosh(d*x + c)*sinh(d*x + c)^3 + sinh(d*x + c)^4 + 2 *(3*cosh(d*x + c)^2 + 1)*sinh(d*x + c)^2 + 2*cosh(d*x + c)^2 + 4*(cosh(d*x + c)^3 + cosh(d*x + c))*sinh(d*x + c) + 1)*sqrt(b*sinh(d*x + c)/cosh(d*x + c)))/(b^3*d*cosh(d*x + c)^4 + 4*b^3*d*cosh(d*x + c)*sinh(d*x + c)^3 + b^ 3*d*sinh(d*x + c)^4 - 2*b^3*d*cosh(d*x + c)^2 + b^3*d + 2*(3*b^3*d*cosh(d* x + c)^2 - b^3*d)*sinh(d*x + c)^2 + 4*(b^3*d*cosh(d*x + c)^3 - b^3*d*co...
\[ \int \frac {1}{(b \tanh (c+d x))^{5/2}} \, dx=\int \frac {1}{\left (b \tanh {\left (c + d x \right )}\right )^{\frac {5}{2}}}\, dx \] Input:
integrate(1/(b*tanh(d*x+c))**(5/2),x)
Output:
Integral((b*tanh(c + d*x))**(-5/2), x)
\[ \int \frac {1}{(b \tanh (c+d x))^{5/2}} \, dx=\int { \frac {1}{\left (b \tanh \left (d x + c\right )\right )^{\frac {5}{2}}} \,d x } \] Input:
integrate(1/(b*tanh(d*x+c))^(5/2),x, algorithm="maxima")
Output:
integrate((b*tanh(d*x + c))^(-5/2), x)
Exception generated. \[ \int \frac {1}{(b \tanh (c+d x))^{5/2}} \, dx=\text {Exception raised: TypeError} \] Input:
integrate(1/(b*tanh(d*x+c))^(5/2),x, algorithm="giac")
Output:
Exception raised: TypeError >> an error occurred running a Giac command:IN PUT:sage2:=int(sage0,sageVARx):;OUTPUT:index.cc index_m i_lex_is_greater E rror: Bad Argument Value
Time = 2.45 (sec) , antiderivative size = 63, normalized size of antiderivative = 0.80 \[ \int \frac {1}{(b \tanh (c+d x))^{5/2}} \, dx=\frac {\mathrm {atan}\left (\frac {\sqrt {b\,\mathrm {tanh}\left (c+d\,x\right )}}{\sqrt {b}}\right )}{b^{5/2}\,d}-\frac {2}{3\,b\,d\,{\left (b\,\mathrm {tanh}\left (c+d\,x\right )\right )}^{3/2}}+\frac {\mathrm {atanh}\left (\frac {\sqrt {b\,\mathrm {tanh}\left (c+d\,x\right )}}{\sqrt {b}}\right )}{b^{5/2}\,d} \] Input:
int(1/(b*tanh(c + d*x))^(5/2),x)
Output:
atan((b*tanh(c + d*x))^(1/2)/b^(1/2))/(b^(5/2)*d) - 2/(3*b*d*(b*tanh(c + d *x))^(3/2)) + atanh((b*tanh(c + d*x))^(1/2)/b^(1/2))/(b^(5/2)*d)
\[ \int \frac {1}{(b \tanh (c+d x))^{5/2}} \, dx=\frac {\sqrt {b}\, \left (\int \frac {\sqrt {\tanh \left (d x +c \right )}}{\tanh \left (d x +c \right )^{3}}d x \right )}{b^{3}} \] Input:
int(1/(b*tanh(d*x+c))^(5/2),x)
Output:
(sqrt(b)*int(sqrt(tanh(c + d*x))/tanh(c + d*x)**3,x))/b**3