Math, asked by akshata2003, 10 months ago

............
Sets and Relations

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Answered by Anonymous

2

Answer:

n(aub) =n(a) +n(B) +n(anb)

110=70+60-n(anb)

20=n(anb)

mark me as brainliest..

Answered by luckypriya077

1

Step-by-step explanation:

by

solving

answer

is

20

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