Question

Are two sets A and B equal? Give reasons to support your answer.

A = {x | x is a letter in the word SEAT}

B = {x | x is a letter in the word TASTE}

Answer 1

Answer:

because letters are same in both

repeation is not allowed

so A and B are equal sets

Answer 2

Answer:

A={S,E,A,T}

B={T,A,S,E}

Note: While writing the sets in rule method the repeating letter is written just one time as in taste two T will be written once.

Hence, set A = set B

All the elements are equal .