Let x=2222… upto ∞and y=2+2+2+2+… upto ∞, then x-y equals
0
1
2
none of these
we have ,
x2=2x and y2 = 2+y
⇒x(x−2)=0 and (y−2)(y+1)=0⇒ x=2,y=2 [∵x,y>0]⇒x−y=0