Math, asked by kiranbiswas417, 6 months ago

If n(A-B)=15,n(B-A)=10 and n(A⋂B)=5 then find n(A⋃B).

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Answered by satyarth42

3

Answer:

If (P/q) = (2/3)-7 ÷ (2/3) -6then find (P/q)-1 + (q/P)-1

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