Question

The normal to the curve x² = 4y passing (1, 2) is

(A) x + y = 3

(B) x − y = 3

(C) x + y = 1

(D) x − y = 1

Answer 1

The equation of the given curve is x² = 4y.

Differentiating with respect to x, we have:

The correct answer is A.