A. y12
B. y2
C. y1
D. y
d/dx{Tan-1(a+bcos x/b+a cos x)}=
d/dx{x√a2+x2+a2Sinh-1(x/a)}=
d/dx{log(x2/ex)}=
If y= a cos x+(b+2x)sinx then y2+y=
d/dx{√(1+sin x/1-sin x)}=
If y2=4ax then 4a(1+y12)3/2+(y2+4a2)3/2y2=
If y=(1+x2)Tan-1x then y2=
If r2=x2+y2,x=et sin t,y=et cos t then dr/dt=
If ‘f’ is differentiable function, f(1)=0, f1(1)=3/5 and y=f(e2x)ex then (dy/dx)x=0 =
d/dx{sin-1(3x-4x3)}=