If `A={(1)/(x) : x in N and x lt 8}and B={(1)/(2x):x in N and x le 4}`, find : (i) `A cup B` (ii) `A cup B ` (iii) ` A-B` (iv)` B-A`
If `A={(1)/(x) : x in N and x lt 8}and B={(1)/(2x):x in N and x le 4}`, find :
(i) `A cup B`
(ii) `A cup B `
(iii) ` A-B`
(iv)` B-A`
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Correct Answer - (i) `{1,(1)/(2).(1)/(3),(1)/(4),(1)/(6),(1)/(7)/(1)/(8)} `
(ii) `{(1)/(2),(1)/(4),(1)/(6)}`
(iii) {1,(1)/(3) ,(1)/(3),(1)/(5),(1)/(7)}`
(iv) `{(1)/(8)}`
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