Math, asked by chintanrockstar, 3 months ago

7. If n(A - B) = 14, n(A U B) = 29 and n(A n B) = 9, then
n(B - A) is
(a) 5
(c) 7
(d) 10
(b) 6
no spam I want only correct answer with proof its class 11 jee question

Answers

Answered by krushika1104

1

Answer:

Answer is 6

Step-by-step explanation:

look at the simplified diagram shown in the diagram and use the basic set theory identities.

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