Let a and b be two sets
- let a and b be two sets such that n(a)u003d5 and n(b)u003d2
- let a and b be two sets such that n(a)u003d16 and n(b)u003d14
- let a and b be two sets such that n(a)u003d20
- let a and b be two sets in the universal set
- let a and b be two sets if a intersection x
- let a and b be two sets then
- let a and b be two sets then (au222Ab)u2032u222A(au2032u2229b) is equal to
- let a and b be two sets such that n(a)u003d3 and n(b)u003d2
- let a and b be two sets containing 2 and 4 elements
