##### Relations and Functions – Notes

**Types of Relations**

A relation R from a non-empty set A to another non-empty set B is the subset of A B.

The subset, R, is derived by describing a relationship between the first element and the second element of the ordered pairs in A B.

If n(A) = p, n(B) = q; then n(A B) = pq and the total number of possible relations from set A to set B is 2^{pq}.

A relation R in a set A is called an empty relation, if no element of A is related t any element of A, i.e.

R = ⊂ A A.

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ShikshaHouse

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Class 12th Maths - 1 Relations and Functions - Notes

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