If √1-x²+√1-y²=a(x-y) then dy/dx=

d/dx{Sin^-12x/1+x²}=

If y=√(cos x+y) then dy/dx=

The derivative of Sin^-1 cos x w.r.to x is

If y= acos (log x)+b sin (log x) then x²y₂+xy₁+y=

If f(x)=x²sin(1/x) for x≠0, f(0)=0 then

The derivative of Sin^-12x/1+x² w.r.to Tan^-12x/1-x²is

If y= x²+1/(x²+1/x²+....∞), then dy/dx=

If x= e^t(cos t +sin t), y= e^t(cos t-sin t) then dy/dx=

If x-y=Sin^-1 x-Sin^-1 y then dy/dx=