If A and B are two non empty sets the prove the following`1.n(AuuuB)=n(A)+n(B)-n(AnnnB) . 2. n...
433 views · Published 11 October 2018 · 11:53 · Indexed 28 September 2026
Channel: Doubtnut · 2018 · Education
To ask Unlimited Maths doubts download Doubtnut from - https://goo.gl/9WZjCW If A and B are two non empty sets the prove the following`1.n(AuuuB)=n(A)+n(B)-n(AnnnB) . 2. nAuuuBuuuC)=n(A)+n(B)+n(C)-n(AnnnB)-n(BnnnC)-n(Cnnna)+n(AnnnBnnnC)`
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