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Mr. Dubey • 51.17K Points
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Q.) “The product of two negative real numbers is not negative.” Is given by?

(A) ∃x ∀y ((x < 0) ∧ (y < 0) → (xy > 0))
(B) ∃x ∃y ((x < 0) ∧ (y < 0) ∧ (xy > 0))
(C) ∀x ∃y ((x < 0) ∧ (y < 0) ∧ (xy > 0))
(D) ∀x ∀y ((x < 0) ∧ (y < 0) → (xy > 0))
Correct answer : Option (D) - ∀x ∀y ((x < 0) ∧ (y < 0) → (xy > 0))

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