Question

If xmyn=(x+y)m+n,Prove that (ii)d2ydx2=0

Answer 1

If x =a (cos t +log tan t/2). y=a sin t, then evaluate d2y/dx2 at t =π/3. Ans. ... If xmyn = (x +y) m+n, prove that dy/dx =y/x. 8. If x =a .... If x. sin (a+y)+sin a . cos(a+y)=0,then prove