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The graph of function f contains the poi...

The graph of function f contains the point `P(1, 2) and Q(s, r)`. The equation of the secant line through P and Q is `y=((s^2+2s-3)/(s-1))x-1-s`. The value of `f'(1)`, is

A

2

B

3

C

4

D

non-existent

Text Solution

Verified by Experts

The correct Answer is:
C
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