Which of the following sets are equal? A = {1, 2, 3}, B = {x ∈ R : x2 – 2x + 1 = 0}, C = {1, 2, 2, 3}, D = {x ∈ R : x3 – 6x2+11x – 6 = 0}.

Which of the following sets are equal? A = {1, 2, 3}, B = {x ∈ R : x

1.	Which of the following sets are equal? A = {1, 2, 3}, B = {x ∈ R : x2 – 2x + 1 = 0}, C = {1, 2, 2, 3}, D = {x ∈ R : x3 – 6x2+11x – 6 = 0}.
Answer» Which of the following sets are equal? A = {1, 2, 3}, B = {x ∈ R : x² – 2x + 1 = 0}, C = {1, 2, 2, 3}, D = {x ∈ R : x³ – 6x²+11x – 6 = 0}. Solution: