Home › CBSE Class 11 (Commerce) › Mathematics › Sets › Is A = {n in Z : n^2 <= 4} equal to B = {1, 2}?
Is A = {n in Z : n^2 <= 4} equal to B = {1, 2}?
AYes, both contain 1, 2
BNo, since 0 lies in A only
CNo, since 2 is in B only
DYes, since B is in A
Answer & Solution
Correct answer: B. No, since 0 lies in A only
A is {-2, -1, 0, 1, 2}, so 0 belongs to A but not to B and the sets differ.
Related questions
Who published the first axiomatisation of set theory in 1908?In which year did Bertrand Russell show that a set of all sets leads to a contradiction?Within a universal set U, the complement of the empty set isBy De Morgan's law, (A ∪ B)' is equal toFor any subset A of U, the complement of A' isU is all students of a mixed class and A is all its girls. What is A'?The sets A - B, A ∩ B and B - A are alwaysIf V = {a, e, i, o, u} and B = {a, i, k, u}, find V - B.