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जर n(A) = 7, n(B) = 13, n(A ∩ B) = 4, तर n(A ∪ B} = ? - Mathematics 1 - Algebra [गणित १ - बीजगणित]

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Question

जर n(A) = 7, n(B) = 13, n(A ∩ B) = 4, तर n(A ∪ B} = ?

Sum

Solution

आपल्याकडे,

n(A) = 7, n(B) = 13 आणि n(A ∩ B) = 4

n(A ∪ B) = n(A) + n(B) - n(A ∩ B)

= 7 + 13 - 4

∴ n(A ∪ B) = 16

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Chapter 1: संच - संकीर्ण प्रश्नसंग्रह 1 [Page 18]

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Balbharati Algebra (Mathematics 1) [Marathi] 9 Standard Maharashtra State Board
Chapter 1 संच
संकीर्ण प्रश्नसंग्रह 1 | Q (11) | Page 18
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