AM-2182

Tangents and normals

A Math · Secondary 4 · Hard · Tangents and normals

The gradient function of a curve is

\dfrac{dy}{dx} = (4k-1)x - 5

, where

k

is a constant. The tangent to the curve at the point

(2,3)

is parallel to the line

y = 7x + 1

. What is the value of

k

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