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MHT CET202019 Oct 2020Evening ShiftMathematicsInverse Trigonometric FunctionsActual

If x² y²= ⁻¹ x²+y² + ⁻¹ x²+y² , then d y d x =

Options

  1. A-y x
  2. Bx y
  3. Cy x
  4. 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

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