I need to prove the following statement by proof by contrapositive or proof by contradiction:

Suppose x ∈ R. If x^ 5 − 4x^ 4 + 3x^ 3 − x ^2 + 3x − 4 ≥ 0 then x ≥ 0.

Respuesta :

Answer:

b

Step-by-step explanation:

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