Integrand size = 16, antiderivative size = 75 \[ \int (d x)^m \left (a+b \arctan \left (c x^2\right )\right ) \, dx=\frac {(d x)^{1+m} \left (a+b \arctan \left (c x^2\right )\right )}{d (1+m)}-\frac {2 b c (d x)^{3+m} \operatorname {Hypergeometric2F1}\left (1,\frac {3+m}{4},\frac {7+m}{4},-c^2 x^4\right )}{d^3 (1+m) (3+m)} \] Output:
(d*x)^(1+m)*(a+b*arctan(c*x^2))/d/(1+m)-2*b*c*(d*x)^(3+m)*hypergeom([1, 3/ 4+1/4*m],[7/4+1/4*m],-c^2*x^4)/d^3/(1+m)/(3+m)
Time = 0.05 (sec) , antiderivative size = 65, normalized size of antiderivative = 0.87 \[ \int (d x)^m \left (a+b \arctan \left (c x^2\right )\right ) \, dx=-\frac {x (d x)^m \left (-\left ((3+m) \left (a+b \arctan \left (c x^2\right )\right )\right )+2 b c x^2 \operatorname {Hypergeometric2F1}\left (1,\frac {3+m}{4},\frac {7+m}{4},-c^2 x^4\right )\right )}{(1+m) (3+m)} \] Input:
Integrate[(d*x)^m*(a + b*ArcTan[c*x^2]),x]
Output:
-((x*(d*x)^m*(-((3 + m)*(a + b*ArcTan[c*x^2])) + 2*b*c*x^2*Hypergeometric2 F1[1, (3 + m)/4, (7 + m)/4, -(c^2*x^4)]))/((1 + m)*(3 + m)))
Time = 0.25 (sec) , antiderivative size = 75, normalized size of antiderivative = 1.00, number of steps used = 2, number of rules used = 2, \(\frac {\text {number of rules}}{\text {integrand size}}\) = 0.125, Rules used = {5373, 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.
\(\displaystyle \int (d x)^m \left (a+b \arctan \left (c x^2\right )\right ) \, dx\) |
\(\Big \downarrow \) 5373 |
\(\displaystyle \frac {(d x)^{m+1} \left (a+b \arctan \left (c x^2\right )\right )}{d (m+1)}-\frac {2 b c \int \frac {(d x)^{m+2}}{c^2 x^4+1}dx}{d^2 (m+1)}\) |
\(\Big \downarrow \) 888 |
\(\displaystyle \frac {(d x)^{m+1} \left (a+b \arctan \left (c x^2\right )\right )}{d (m+1)}-\frac {2 b c (d x)^{m+3} \operatorname {Hypergeometric2F1}\left (1,\frac {m+3}{4},\frac {m+7}{4},-c^2 x^4\right )}{d^3 (m+1) (m+3)}\) |
Input:
Int[(d*x)^m*(a + b*ArcTan[c*x^2]),x]
Output:
((d*x)^(1 + m)*(a + b*ArcTan[c*x^2]))/(d*(1 + m)) - (2*b*c*(d*x)^(3 + m)*H ypergeometric2F1[1, (3 + m)/4, (7 + m)/4, -(c^2*x^4)])/(d^3*(1 + m)*(3 + m ))
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[((a_.) + ArcTan[(c_.)*(x_)^(n_.)]*(b_.))*((d_)*(x_))^(m_), x_Symbol] :> Simp[(d*x)^(m + 1)*((a + b*ArcTan[c*x^n])/(d*(m + 1))), x] - Simp[b*c*(n/( d^n*(m + 1))) Int[(d*x)^(m + n)/(1 + c^2*x^(2*n)), x], x] /; FreeQ[{a, b, c, d, m, n}, x] && IntegerQ[n] && NeQ[m, -1]
\[\int \left (d x \right )^{m} \left (a +b \arctan \left (c \,x^{2}\right )\right )d x\]
Input:
int((d*x)^m*(a+b*arctan(c*x^2)),x)
Output:
int((d*x)^m*(a+b*arctan(c*x^2)),x)
\[ \int (d x)^m \left (a+b \arctan \left (c x^2\right )\right ) \, dx=\int { {\left (b \arctan \left (c x^{2}\right ) + a\right )} \left (d x\right )^{m} \,d x } \] Input:
integrate((d*x)^m*(a+b*arctan(c*x^2)),x, algorithm="fricas")
Output:
integral((b*arctan(c*x^2) + a)*(d*x)^m, x)
\[ \int (d x)^m \left (a+b \arctan \left (c x^2\right )\right ) \, dx=\int \left (d x\right )^{m} \left (a + b \operatorname {atan}{\left (c x^{2} \right )}\right )\, dx \] Input:
integrate((d*x)**m*(a+b*atan(c*x**2)),x)
Output:
Integral((d*x)**m*(a + b*atan(c*x**2)), x)
\[ \int (d x)^m \left (a+b \arctan \left (c x^2\right )\right ) \, dx=\int { {\left (b \arctan \left (c x^{2}\right ) + a\right )} \left (d x\right )^{m} \,d x } \] Input:
integrate((d*x)^m*(a+b*arctan(c*x^2)),x, algorithm="maxima")
Output:
(d^m*x*x^m*arctan(c*x^2) - 2*(c*d^m*m + c*d^m)*integrate(x^2*x^m/((c^2*m + c^2)*x^4 + m + 1), x))*b/(m + 1) + (d*x)^(m + 1)*a/(d*(m + 1))
\[ \int (d x)^m \left (a+b \arctan \left (c x^2\right )\right ) \, dx=\int { {\left (b \arctan \left (c x^{2}\right ) + a\right )} \left (d x\right )^{m} \,d x } \] Input:
integrate((d*x)^m*(a+b*arctan(c*x^2)),x, algorithm="giac")
Output:
integrate((b*arctan(c*x^2) + a)*(d*x)^m, x)
Timed out. \[ \int (d x)^m \left (a+b \arctan \left (c x^2\right )\right ) \, dx=\int {\left (d\,x\right )}^m\,\left (a+b\,\mathrm {atan}\left (c\,x^2\right )\right ) \,d x \] Input:
int((d*x)^m*(a + b*atan(c*x^2)),x)
Output:
int((d*x)^m*(a + b*atan(c*x^2)), x)
\[ \int (d x)^m \left (a+b \arctan \left (c x^2\right )\right ) \, dx=\frac {d^{m} \left (x^{m} a x +\left (\int x^{m} \mathit {atan} \left (c \,x^{2}\right )d x \right ) b m +\left (\int x^{m} \mathit {atan} \left (c \,x^{2}\right )d x \right ) b \right )}{m +1} \] Input:
int((d*x)^m*(a+b*atan(c*x^2)),x)
Output:
(d**m*(x**m*a*x + int(x**m*atan(c*x**2),x)*b*m + int(x**m*atan(c*x**2),x)* b))/(m + 1)