Question

If A=(5, 7, 9, 11), B=(7, 9, 13), C = {11, 13, 15). Find A n (B u C).​

Answer 1

Answer:

A={5,7,9,11}

B={7,9,13}

C={11,13,15}

An(BUC)

=An{7,9,11,13,15}

={5,7,9,11}n{7,9,11,13,15}

={7,9,11}

It is your answer. Always use curly bracket not first bracket.