Math, asked by reshu8799, 10 months ago

if n(A)=12,n(B)=20,and ACB,find n(A U B)

Answers

Answered by ajeetpatel12

20

Answer:

20

Step-by-step explanation:

n(A)=12

n(B)=20

A subset B means

AintersectionB=12

n(AUB)=20+12-12=20 answer

Answered by Anonymous

7

Answer:

20

Step-by-step explanation:

A⊂B

It means A is subset of B

So A U B)=B

So n(A U B)=nB=20

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