Explain the whole answer plizz?
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nA=45
nB=52
nA U B=70
BY FORMULA
A U B = A + B - A ∩ B
A ∩ B = 45 + 52 - 70
-----//---- = 97-70 = 27
A ∩ B = 27
nB=52
nA U B=70
BY FORMULA
A U B = A + B - A ∩ B
A ∩ B = 45 + 52 - 70
-----//---- = 97-70 = 27
A ∩ B = 27
punamsonawane:
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