If lim(x->0)(1+a x+b x^2)^(2/ x)=e^3,the...

If `lim_(x->0)(1+a x+b x^2)^(2/ x)=e^3`,the value of a and b are

A

`a=3/2,b epsilonR`

B

`a=1/2, b epsilonR`

C

`a epsilonR,bepsilonR`

D

None of these

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