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Let f (x = {{: ((x^(2) - 4x + 3)/(x^(2) ...

Let f (x = `{{: ((x^(2) - 4x + 3)/(x^(2) + 2x - 3), x ne 1),(k, x = 1):}` If f (x) is continuous at x= 1, then the value of k will be

A

1

B

`(1)/(2)`

C

`-1`

D

`(1)/(2)`

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