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If f(x)={{:((sqrtx)/(sqrt(4+sqrtx)-a),xg...

If `f(x)={{:((sqrtx)/(sqrt(4+sqrtx)-a),xgt0),(c,x=0),((4e^((2)/(x))+3e^((1)/(x)))/(e^((2)/(x))+be^((1)/(x))),xlt0):}`
continuous at x = 0 for some constants a, b and c, then the value of `(50b)/(a)` is equal to

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18.75
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