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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
Solution
The equation of the given curve is x2 = 4y.
Differentiating with respect to x, we have:
The correct answer is A.
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