If the line passing through the points and is tangent to the curve

MATHEMATICS · Single correct · CBSE · Mathematics · Applications of Derivatives · Applications of Derivatives

Problem

If the line passing through the points

(-1,8)

and

(0,6)

is tangent to the curve

y=\frac{a^2}{x-1}

, then

a^2

equals: (a)

2

(b)

4

(c)

1

(d)

8