1.

A function f satisfies the condition f(x) - f'(x) +f'(x) + f''(x) + ......, where f(x) is a differentiable function indefinitely and dash denotes the order of derivative . If f(0) =1 , then f(x) is

Answer»

`E^(X//2)`
`e^(x)`
`e^(2X)`
`e^(4X)`

ANSWER :A


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