If x - R and k-x2-x-1x2-x-1- then

The correct option is B 13≤ k≤ 3 ...

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Factor Theorem

If x ∈ R an...

Question

If $x \in R$ and $k = \frac{(x^{2} - x + 1)}{(x^{2} + x + 1)}$ , then

k \leq 0

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\frac{1}{3} \leq k \leq 3

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k \geq 5

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None of these

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