Question

If m= {1, 2, 3, 4,5} n= {3,4,7,8}then find. MnN and Mun.

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Answer 1

Answer:

Ggle

Step-by-step explanation:

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Answer 2

Answer:

Given : M={1,2,3,4,5,} and N={4,5,6,7}

n(M)=5

n(N)=4

MuN={1,2,3,4,5,6,7,}

n(MuN)=7

OR

n(M)+n(N)-n(MnN) =n(MuN)

=4+5-2

=9-2=7