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Which of the following is/are not true ? (A)` P = {x:x=2y+1 "and" y in N}` is a finite set. (B) `Q= {x : x in R "and" x^(2) + 1 = 0}` is a null set. (C ) `R = {x : x^(3) +1 = 0 "and" x^(2) + 1= 0}` is a single-ton set. (D) `S = {x:8 lt x lt 13, x in R)`is an infinite set.A. (B), (C ) and (D)B. (A), (C ) and (D)C. (A and (B)D. (A) and (C ) |
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Answer» Correct Answer - D (i) Use the concept of Venn diagrams. (ii) Find the element in P,Q ,R and S and check for their truthfulness. |
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