InterviewSolution
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InterviewSolution
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Let A = {x : x is a letter in the word INDIA} and B={x : x is a vowel in the word EDUCATION} Verify : `n(A uu B)=n(A)+n(B)-n(A nn B)` |
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Answer» `A={I, N, D, A}` `B={E, U, A, I, O}` `n(A)=4` `n(B)=5` `A uu B={I, N, D, A, E, U, O}` `n(A uu B)=7` `A nn B={A, I}` `n(A nn B)=2` `n(A)+n(B)-n(A nn B)` `=4+5-2=7` `:. n(A uu B) = n(A)+n(B)-n(A nn B)` |
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