If G and L are the greatest and least va...

If G and L are the greatest and least values of the expression
`(x^(2)-x+1)/(x^(2)+x+1), x epsilon R` respectively then
The least value of `G^5 + L^5` is
(a) `5`
(b) `2`
(c) `0`
(d) `1/2`

A

(a) `3,-1/2`

B

(b) `3,1/3`

C

(c) `-3,-1/3`

D

(d) None of these

Verified by Experts

The correct Answer is:

B

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