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If the function f(x)={{:((x^(2)-1)/(x-1)...

If the function `f(x)={{:((x^(2)-1)/(x-1), "When ", x ne1),(k, "When" , x=1):}` is given to be continuous at x=1, then the value of k is ____.

A

`-1`

B

2

C

`-3`

D

`-2`

Text Solution

Verified by Experts

The correct Answer is:
B
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