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If lim(x rarr 0)x[4/x]= A, then the valu...

If `lim_(x rarr 0)x[4/x]= A`, then the value of x at which `f(x) = [x^2]sinpix` is discontinuous , (where `[.]` denotes greatest integer function)

A

`sqrt(A+1)`

B

`sqrt(A+5)`

C

`sqrt(A)`

D

`sqrt(A+21)`

Text Solution

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The correct Answer is:
A
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