If x2-2ax-b - c- - x - R- then

X^2+2ax+b ≥ c ∀ x ∈ R x^2+2ax+b c ≥ 0 D=4a^2 4(b c)≤ 0 a^2≤ b c ...

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Discriminant

If x2+2ax+b ≥...

Question

If $x^{2} + 2 a x + b \geq c, \forall x \in R$ , then

b - c \geq a^{2}

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c - a \geq b^{2}

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a - b \geq c^{2}

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none of these

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