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Mathematics 9 Online
OpenStudy (samigupta8):

A={x:x=6n, x∈N} B={x:x=4n,x∈N} find A∩B

OpenStudy (loser66):

x= 12n

OpenStudy (samigupta8):

how did u get it

OpenStudy (loser66):

6|12 and 4|12

OpenStudy (loser66):

so, only when x =12n, x belongs to both sets. that's it

OpenStudy (samigupta8):

hey what is lcd property

OpenStudy (loser66):

LCM: Least Common Multiple

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