Question

give me answer of this question ​

Answer 1

HEY MATE HERE IS YOUR ANSWER

A-B={1,4,7,8}-{4,6,8,9}

A-B={1,7,9}

B-A={4,6,8,9}-{1,4,7,8}

B-A={6,8}

HOPE IT'S HELPS YOU

PLEASE MAKE ME AS BRAINLIST