Question

What is the formula for finding set B when A U B is given and A – B is given???

Fast answer pls ????

Answer 1

A U B means....both the elements it set A andB

A-B means the elements only in set A which are not in B....

hope it helps....Mark as brainliest answer.

Answer 2

then A U B  means everything in a and b are written.....then A - B means nos are there in a and not in b.....so the w can find the nos from A U B by eliminating the a nos....

FOR EXAMPLE

A U B - {1,2,3,4,5,6,7,8,9,10}

A - B - { 2,4,6,7,9}

then set b is - {1,3,5,8,10}

hope it hlps u