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 ax^(2)+2hxy+by^(2)=0, then (dy)/(dx) is equal to (y)/(x)( b) (x)/(y)(c) ,None of these

If sin^(-1)((x^2-y^2)/(x^2+y^2))=loga then (dy)/(dx) is equal to (a) (x^2-y^2)/(x^2+y^2) (b) y/x (c) x/y (d) none of these

If sin^(-1)((x^2-y^2)/(x^2+y^2))=logat h e n(dy)/(dx)i se q u a lto (x^2-y^2)/(x^2+y^2) (b) y/x (c) x/y (d) none of these

If a x^2+2\ h x y+b y^2+2\ gx+2\ fy+c=0 , find (dy)/(dx) .

If sin^(-1)((x^(2)-y^(2))/(x^(2)+y^(2)))=log a then (dy)/(dx) is equal to (x^(2)-y^(2))/(x^(2)+y^(2)) (b) (y)/(x) (c) (x)/(y) (d) none of these

If sin^(-1)((x^(2)-y^(2))/(x^(2)+y^(2)))=log a then (dy)/(dx) is equal to (x^(2)-y^(2))/(x^(2)+y^(2)) (b) (y)/(x) (c) (x)/(y) (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 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 y=(sin^(-1)x)^2,\ then (1-x^2)y_2 is equal to x y_1+2 (b) x y_1-2 (c) x y_1+2 (d) none of these

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