1.

f: R^(+) rarr R is continuous function satisfying f(x/y)=f(x) - f (y) AA x, y in R^(+) . If f'(1) = 1, then

Answer»

f is UNBOUNDED
`lim_(x rarr0)f(1/x)=0`
`lim_(xrarr0)(f(1+x))/x=1`
`lim_(x rarr0)x.f(x)=0`

ANSWER :A::C::D


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