ꜰɪɴᴅ ᴛʜᴇ ɴᴜᴍʙᴇʀ ᴏꜰ ꜱᴜʙꜱᴇᴛꜱ ᴏꜰ ᴀ×ʙ ᴡʜᴇʀᴇ ᴀ ={3,6,9} ᴀɴᴅ ʙ={x,ʏ,ᴢ}

ꜰɪɴᴅ ᴛʜᴇ ɴᴜᴍʙᴇʀ ᴏꜰ ꜱᴜʙꜱᴇᴛꜱ ᴏꜰ

1.	ꜰɪɴᴅ ᴛʜᴇ ɴᴜᴍʙᴇʀ ᴏꜰ ꜱᴜʙꜱᴇᴛꜱ ᴏꜰ ᴀ×ʙ ᴡʜᴇʀᴇ ᴀ ={3,6,9} ᴀɴᴅ ʙ={x,ʏ,ᴢ}
Answer» No of relation=3×3=9,and no of subsets of A×B is 9^2=81