Question:
Write the following sets in roster form 1) B = {x : x is a positive factor of a prime number} 2) C={x : x2=x where x belongs to Real numbers} Answer it quickly
Answer:
Given,
1. B = {x: x is a positive factor of a prime number}
=> B = {1}
Since 1 is the only posotive factor of a prime number.
2. C = {x: x2 = x where x belongs to Real numbers}
=> C = {0, 1}
Since 02 = 0*0 = 0
and 12 = 1*1 = 1
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