MHT CET202019 Oct 2020Evening ShiftMathematicsInverse Trigonometric FunctionsActual
If x² y²= ⁻¹ x²+y² + ⁻¹ x²+y² , then d y d x =
Options
- A-y x
- Bx y
- Cy x
- D-x y
Correct answer
A. -y x
Step-by-step solution
(D) We know, ⁻¹ + ⁻¹ = 2 x² y²= 2 Differentiating w.r.t. x array l x² 2 y d y d x +y² 2 x=0 x² 2 y d y d x =-y² 2 x d y d x = -y² 2 x x² 2 y = -y x array