Question

following set in the tabular form A ={X(Xi's a prime factor of 50}​

Answer 1

Answer:

Factors of 50 are 1, 2, 5, 10, 25, and 50. So, the prime factors of 50 are 2,5.

   We write the set A in roster form as A={2,5} and hence n(A)=2.