Sets

SETS
A set is a collection of objects, number, ideas etc. Th different objects are called the element of members of the set.
{x: x is an integer and -2 <>
={-1,0,1,2,3,4}

A set may be defined by using any one of the following methods:
(i) By listing all the members A={3,5,7,9,11}
(ii) By listing only enogh members to indicate the pattern showing that the pattern continues by using dots(...) B={2,4,6,8...}
(iii)By a description S={all odd numbers}
(iv)By listing an algebraic expression C={x: 2 <>

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