`intx^(2)((xsec^(2)x+tanx))/((xtanx+1)^(2))dx=`

int (x^2(xsec^2x+tanx))/(xtanx+1)^2 dx

int (x^2(xsec^2x+tanx))/(xtanx+1)^2 dx

Evaluate: int(x^2(xsec^2x+tanx))/(xtanx+1)^2dx

If inte^(xsec^(2)x-tanx)(x tanx -(sin2x)/2)dx=e^(f(x)).g(x)+c then which of the following is/are incorrect?

int tan^(2)xsec^(4)x dx

int tan^(2)xsec^(4)x dx

intx/((x-1)^2(x+2))dx

intx/((x-1)(x^(2)+1))dx=

intxe^(2x)dx=?

int xsec^2x tanx dx