For all real values of x- the minimum value of 1-x-x2-1-x-x2 isA 0 B 1C 3 D 1-3

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Second Derivative Test Failure Condition

For all real ...

Question

For all real values of x, the minimum value of is

(A) 0 (B) 1

(C) 3 (D)

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\frac{1 - x + x^{2}}{1 + x + x^{2}}

For all real values of x, the minimum value of $\frac{1 - x + x^{2}}{1 + x + x^{2}}$ is

a) zero b)1 c) 3 d) $\frac{1}{3}$

x

\frac{1 - x + x^{2}}{1 + x + x^{2}}

x,

\frac{1 - x + x^{2}}{1 + x + x^{2}}

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