If X=`{x:x in N and (x-3)(x-2)=0}` Y=`{x:x in N and x lt 5} "then find X" cup` Y.

If A ={2x:x in N and 1 le x lt 4}, B= {(x+2): x in N and 2 le x lt 5} } and C = {x:x in N and 4 lt x lt 8} , find : (i) A cap B (ii) A cup B (iii) (A cup B) cap C

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={x//x in N and x lt 4 } B={x//x^(2)-9=0 " and " x lt 0} , find A xx B

If A = { x : x = 3n-1, n in N and n le 5 } B = { x : x is an odd natural number and x lt 15 } and C = { x : x =4n , n in N and n lt 7 } ,find A cup B

If A={x:x is a multiple of 3, x lt 12} and B={x: x in N, x^(2)-9x+18=0} then find A-B.

If A={x:x is a multiple of 3, x lt 12} and B={x: x in N, x^(2)-9x+18=0} then find A-B.

If A = {x:x in N, x le 7}, B={x:x "is prime", x lt 8} and C ={x:x in N, x "is odd and" x lt 10} , verify that : (i) A cup (Bcap C) =(A cup B ) (A cup C) (ii) A cap (BcupC) =(A cap B) cup (A cap C)

{x:x=2y +5, y in N " and " 2 le y lt 6}