1. If A and B are non empty subsets of a set,then (A-B)U(B-A) equals?

2.Let A ={x:xE R,|x|<1} B={x:xE R |x-1|>=1} and AUB=R-D,then the set D is:

3.If the sets A and B are defined as:

A={(x,y):y=1/x,x is not equal to 0,xE R}; B={(x,y):y=-x,E R},then :

Kurma Anudeep , 12 Years ago

Grade 10