Answer :

Condition (1):

Since, is a polynomial and we know every polynomial function is continuous for all xϵR.

is continuous on [-1,1].

Condition (2):

Here, which exist in [-1,1].

So, is differentiable on (-1,1).

Condition (3):




Conditions of Rolle’s theorem are satisfied.

Hence, there exist at least one cϵ(-1,1) such that f’(c)=0


i.e. c=0

Value of c=0ϵ(-1,1)

Thus, Rolle’s theorem is satisfied.

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