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If X = {a, b, c, d} and Y = {f, b, d, g}...

If `X = {a, b, c, d}` and `Y = {f, b, d, g}`, find
`i. X - Y`
`ii. Y - X`
`iii. X nn Y`

Text Solution

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The correct Answer is:
i. X - Y = {a,b,c,d} - {f,b,d,g} = {a,c}
ii. Y - X = {f,b,d,g} - {a,b,c,d} = {f,g}
iii. X `nn` Y = {a,b,c,d} `nn` {f,b,d,g} = {b,d}
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