NCERT Example 8 - Sets
Question: Decide whether the following pairs are equal: (i) letters of ALLOY and letters of LOYAL; (ii) {n in Z : n^2 <= 4} and the solution set of x^2 - 3x + 2 = 0.
Answer: (i) Equal: {A, L, O, Y}. (ii) Not equal: {-2, -1, 0, 1, 2} and {1, 2}.
Full step-by-step NCERT solution with diagrams on Something by Zero.