Let f:[1/2,1] R be a positive,non constant function and differentiable function such that

f’(x)(first deriative)<2f(x) and f(1/2)=1

Then the value of a=1/2,b=1

lies in the interval

A (2e-1,2e)

B (e-1,2e-1)

C (e-1/2,e-1)

D (0,e-1/2)

Multiple correct

Please answer quickly

Gaganpreet Singh

12 Years agoGrade 12th pass