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The value of m which the function f(x) ...

The value of m which the function ` f(x) {{:( mx^(2), "for " xle 1 ),( 2x,"for" xgt 1 ):} `is differentiable at x= 1,is

A

0

B

1

C

2

D

does not exist

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The correct Answer is:
C
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