Hi
I will mark as brain list
Please tell me answer of this question in easy way but Step-by-step explanation
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By general formula of sets, we know
n(A∪B) = n(A) + n(B) - n(A∩B)
n(B) = n(A∪B) - n(A) + n(A∩B) = 29 - 15 + 7= 21
kalyaniprasad8:
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