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If f(x) is a cubic polynomil which as lo...

If f(x) is a cubic polynomil which as local maximum at x=-1 . If f(2)=18,f(1)=-1 and f'(x) has minimum at x=0 then

A

the distance between (-1,2) and (a,f(a)), where x= a, the point of local minima is `2sqrt5`

B

f (x) is increasing for `x in [1,2sqrt5]`

C

f (x) has local minima at x =1

D

has value of f (0) =5

Text Solution

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The correct Answer is:
B, C
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