Question

if n(A)=3, n(B)=4 then find f+g​

Answer 1

Answer:

Number of relations from A to B =2^(x*y)

where x is number of elements in A and y is number of elements in B

Here, x= n(A)= 3 and y= n(B)= 4

thus, x*y=3*4=12

Therefore, required number of relations= 2^(12)= 4096

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