A. √(1+y2)/√(1+x2)
B. √(1+x2)/√(1+y2)
C. √(1-y2)/√(1+x2)
D. √(1-y2)/√(1-x2)
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= et(cos t +sin t), y= et(cos t-sin t) then dy/dx=
If x-y=Sin-1 x-Sin-1 y then dy/dx=
If |x|<1then dy/dx(1-2x+3x2+...)=