If `x e^(x y)-y=sin^2x` then `(dy)/(dx)a tx=0` is a. 0 b. 1 c. -1 d. none of these

If x^2+y^2=t-1/t and x^4+y^4=t^2+1/t^2, then x^3y (dy)/(dx)= (a) 0 (b) 1 (c) -1 (d) none of these

If 8f(x)+6f(1/x)=x+5 and y=x^2(f(x), then (dy)/(dx) at x=-1 is equal to 0 (b) -1/(14) (c) -1/4 (d) None of these

If f^(prime)(x)=sqrt(2x^2-1) and y=f(x^2),t h e n(dy)/(dx) at x=1 is (a)2 (b) 1 (c) -2 (d) none of these

If y=(1+x)^y+sin^-1(sin^2x) , then (dy)/(dx) at x = 0 is

If 8f(x)+6f(1/x)=x+5 and y=x^2(f(x), then (dy)/(dx) at x=-1 is equal to (a)0 (b) 1/(14) (c) -1/4 (d) None of these

If a x^2+2h x y+b y^2=0, then (dy)/(dx) is equal to y/x (b) x/y (c) (d) None of these

If a x^2+2h x y+b y^2=0, then (dy)/(dx) is equal to y/x (b) x/y (c) (d) None of these

If y=(sin(x+9))/(cosx) , then (dy)/(dx) at x = 0 is: a. cos9 b. sin9 c. 0 d. 1

If x=y+sin^2x then at x=0 , (dy)/dx=

If y=1/(1+x^(a-b)+x^(c-b))+1/(1+x^(b-c)+x^(a-c))+1/(1+x^(b-a)+x^(c-a)), then (dy)/(dx) is equal to (a) 1 (b) (a+b+c)^(x+b+c-1) 0 (d) none of these