CameraIcon
CameraIcon
SearchIcon
MyQuestionIcon


Question

If X={x:x=8n7n1,nN} and Y={y:y=49n49,nN}, then which of the following is (are) TRUE?
  1. XY
  2. YX
  3. XY=X
  4. XY=Y


Solution

The correct options are
A XY
C XY=X
X={x:x=8n7n1}   ={0,49,490,....}Y={y:y=49n49}   ={0,49,98,147,....}

As every elements of X is in Y but every element of Y is not in X, so
XYXY=X

flag
 Suggest corrections
thumbs-up
 
0 Upvotes


Similar questions
View More...



footer-image