Let f(x)={{:(,(ex^(2)-(2)/(pi)sin^(-1)sq...

Let `f(x)={{:(,(ex^(2)-(2)/(pi)sin^(-1)sqrt(1-x))/(In(1+sqrtx)),x in (0,1)),(,k,x le 0):}` be a continuous at x=0, then the value of k, is

`1+(2)/(pi)`

`1-(2)/(pi)`

`(2)/(pi)`

`-(2)/(pi)`

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