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If f(x)=(e^(2x) - (1+4x)^(1//2))/(ln(1-x...

If `f(x)=(e^(2x) - (1+4x)^(1//2))/(ln(1-x^2))` for `x != 0,` then `f` has

A

an irremovable discontinuity at x=0

B

a removable discontinuity at x=0 and f(0)=-4

C

a removable discontinuity at x=0 and `f(0)=-(1)/(4)`

D

a removable discontinuity at x=0 and `f(0)=4`

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