Solve the equation y"-4y=lnx ?

Find the value of the integral I=∫√(tanx)dx

Find the value of the integral I=∫√(sinx)dx

Let r is radius of circle inscribed and R is radius of circle circumscribing atriangle ABC.

Prove that p[tan(A/2)+tan(A/2)+tan(A/2)]=r+4R where p=(1/2)(a+b+c).

Solve the equation (x-2)^{(25-x^2)}=1