Find the equation of the normal to the curve x²=4y which passes through the point(1,2)
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Curve is x² = 4y
Differentiate w.r.t.x
2x = 4dy ÷ dx
dy ÷ dx 2x ÷ 4 = x ÷ 2
= -1 ÷ dy ÷ dx = -1 ÷ (x ÷ 2) = -2 ÷ x
Differentiate w.r.t.x
2x = 4dy ÷ dx
dy ÷ dx 2x ÷ 4 = x ÷ 2
= -1 ÷ dy ÷ dx = -1 ÷ (x ÷ 2) = -2 ÷ x
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