Question

Write the negation of the following statements : 

(a) Chetan has black hair and blue eyes. 
(b) ∃ x ∈ R such that x² + 3 > 0. 

Answer 1

(a) Chetan has no black hair or no blue eyes. 

(b) ∀  x ∈ R such that x² + 3 ≤ 0.