For all real values of x, the minimum va...

For all real values of x, the minimum value of `(1-x+x^2)/(1+x+x^2` is:

A

0

B

1

C

3

D

`1/3`

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MODERN PUBLICATION-APPLICATION OF DERIVATIVES-EXERCISE

For all real values of x, the minimum value of (1-x+x^2)/(1+x+x^2 is:
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