Let-A-x-y-z-and-B-1-2-Find-the-number-of-relations-from-A-to-B-

Question Number 27144 by NECx last updated on 02/Jan/18

L e t A = {x, y, z} a n d B = {1, 2} . F i n d

t h e n u m b e r o f r e l a t i o n s f r o m A t o

B .

Commented by NECx last updated on 02/Jan/18

I d o n t u n d e r s t a n d y o u s i r

Answered by prakash jain last updated on 02/Jan/18

Relation is a subset of A \times B .

A \times B has 3 \times 2 = 6 element

numbers of subsets of A \times B = 2^{6} = 64

number of relations from A to B = 64

Commented by NECx last updated on 02/Jan/18

t h a n k s s i r

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