Math, asked by ramkotinaikramavath, 23 days ago

If A, B and C are mutually disjoint sets then n(A)+n(B)+n(C)=n(A)+n(B)+n(C)=

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Answered by sakthimurugan72

1

Answer:

n(A)+n(B)+n(C)-n(AnB)-n(BnC)-n(AnC)+n(AnBnC)

Step-by-step explanation:

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