1. If A={1,2} and B={a,b} , then A∩B=________ .
2. The Complement of a set A can be written as :
3. Two sets are called _______________ if there is at least is one
element common between them.
4. The rational numbers p/q and q/p are called _________ inverse of each
other.
5. The Number that can be expressed in the form of p/q where p and q are
integers and q ≠0 is called the __________ Number.
6. The Symbol "∧" means ?
7. "B difference A" is represented by :
8. A set which contains all the possible elements of the sets under
consideration is called the ________________ Set.
9. A'∪A = ____________ .
10. To write an empty set we use the symbol ?
11. The Set Consisting of Only Common Elements of two sets is called the
_________________ of two sets.
12. The ___________ consists of fractions as well as integers.
13. If A={1,3} and B={1,2,3}, then A∪B= ________ ?
14. In sets the Universal set acts as ____________ for Intersection.
15. 0 is called additive identity where as one is called _____________
identity.
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