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  4. The minimum value of the quadratic expression 4 x2-7 x+4 ∀ x ∈[1,5] is

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Q. The minimum value of the quadratic expression $4 x^2-7 x+4 \forall x \in[1,5]$ is

Complex Numbers and Quadratic Equations

Solution:

Correct answer is (a) $1 $

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