Solve question no 12 only by using formula Venn diagram is not allowed.
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niraj1222002:
Thank you
can u please mark as brainliest
How do you find the formula used in 2 nd question
This formula is not written in the book
Yet I don't have option to mark brainlist answer.
I will mark it brainlist ans later
think of the venn diagram and try to derive a formula from that
Answer my another question
I am just post it
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