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What is the value of k for which the fol...

What is the value of k for which the following function f(x) is continuous for all x?
`f(x)={{:((x^(3)-3x+2)/((x-1)^(2)),"for "xne1),(k,"for "x=1):}`

A

3

B

2

C

1

D

`-1`

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The correct Answer is:
A
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