Implicit differentiationMediumQuestion 360006
Question
For x² + y² = r², dy/dx equals:
- A−x/yCorrect
- Bx/y
- C−y/x
- Dy/x
Correct answer
−x/y
Explanation
Implicit differentiation: differentiate both sides w.r.t. x: 2x + 2y(dy/dx) = 0 → dy/dx = −x/y.
JEE Mathematics · Medium
Differentiability: Implicit differentiation MCQ
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