Math, asked by sarveshsingh8462, 9 months ago

If n(A – B) = 7 and n(A ∩ B) = 5, then the value of n(A) is

Answers

Answered by PASSIONATEDMIND

5

Step-by-step explanation:

n ( A - B ) + n ( A∩ B ) = n ( A )

from this above formula we get n ( A ) = 12

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