Question

If A={2,3,4,5,6}, B={3,4,5} and C={4,5,6}, then A-[BnC]

Answer 1

Answer:

A=(2,3,6) as 1st we do b intersection c

Answer 2

Answer:

(BnC)={3,4,5}n{4,5,6}

(B n C)= {4,5,}

A-(BnC)= {2,3,4,5,6} - {4,5,}

A-(BnC)= {2,3,6}