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यदि `A{x:x le5, x in N},B={x:x le 10 x inN] ` तथा `C={x:2lt x lt 6, x in N]` तो `A-(BnnC)` गया करो ।

Answer» `A={x:x le5, x in N}={1,2,3,4,5}`
`B={x:x le 10, x in N}={1,2,3,4,5,6,7,8,9,10}`
`C={x:2 lt x lt 6,x in N}={3,4,5}`
`BnnC={3,4,5}`
`A-B{BnnC)={1,2,3,4,5}-{3,4,5}={1,2}`


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