Math, asked by lavenavaswani, 1 month ago

If n (A)= 20, n (B) = 28 and n (A U B) = 36 then n(A O B) =?

Answers

Answered by ProPadhaku

0

Answer:

12

Step-by-step explanation:

what is AOB?

if it is a intersection b then :

n(A)+n(B)-n(A intersection B)=n(A U B)

20+28-x=36

x=12

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