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NCERT Class XII Mathematics Chapter - - Solutions
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Question : 99 of 101
Marks:
+1,
-0
If A and B are two events such that P(A) ≠ 0 and P(B | A) = 1, then
Solution:
⇒ P(A ∩ B) = P(A) ⇒ A ⊂ B [∵ When A ⊂ B, then A ∩ B = A]
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