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Let A={x:x inZ^(+)}, B= {x:x is a multiple of 3, inZ}, C={x:xis a negative integer} , D= {x:x is an odd integer}. Find : (i) AcapB(ii)BcapC (iii) CcapD (iv) AcapC(v) AcapD (vi) BcapD.

Answer»


Answer :(i) `{3n:N INZ^(+)}`
(ii) {3n : n is a negative integer}
(iii) `{-1,-3,-5,-7,…}`
(iv) `phi`
(V) {1,3,5,7,…..}
(vi) {…, -15,-9,-3,9,15}.


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