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Let {{:(px^(2) +1",", "when " x le1),(x+...

Let `{{:(px^(2) +1",", "when " x le1),(x+p",", "when" x gt1):}` The value of p for which `f(x)` is derivable at `x=1` is-

A

`1/2`

B

`-1/2`

C

2

D

`-2`

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The correct Answer is:
A
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