The equation of the normal to the curve xy+7=0 is Ax+By+C=0, then

MHT CET 2026 Mathematics question

Mathematics Application of Derivatives MHT CET 2026

The equation of the normal to the curve is , then

(A) or Correct
(B)
(C)
(D)

Answer: (A)

Solution

The curve is ; at a point on it, so and have opposite signs. Differentiating, , so the slope of the normal is , which is negative. Normal: y_1\frac{x_1}{y_1}x_1)$⇒

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Question ID VK-097790