Question

 If A = { x / x is a letter of the word 'listen'.} and B = { y / y is a letter of the word 'silent'.} then A = B.​

Answer 1

Step-by-step explanation:

A = { l, i, s, t, e , n}

same letters are present in silent

B = { l, i , s, t, e , n }

∴ A = B