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Let f:[1/2,1] R be a positive,non constant function and differentiable function such that f’(x)(first deriative) 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

 
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  \int_a^b \! f(x)\,dx  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

Grade:12th pass

2 Answers

Arun Kumar IIT Delhi
askIITians Faculty 256 Points
7 years ago
so D,B

Arun Kumar
IIT Delhi
Askiitians Faculty
Gaganpreet Singh
20 Points
7 years ago
Please answer my one more question in analaytical geometry
Thanks

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