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Consider the function f(X)=(x^(2)-x+1)/(...

Consider the function `f(X)=(x^(2)-x+1)/(x^(2)+x+1)`
What is the minimum value of the funciton ?

A

`1//2`

B

`1//3`

C

2

D

3

Text Solution

Verified by Experts

The correct Answer is:
B
`f''(1)=(36)/(81)gt0`
f(x) is minimum at x=1
`f(1)=1/3`
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