show that exactly one of the numbers n,n+2 or n+4 is divisible by 3
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a=bq+r
where a =n
n=3q+r
where r=0,1,2.
put r=0
n=3q+0
n=3q
3q+2
3q+4
a=3q+2
n=3q+2
n=3q+4
where a =n
n=3q+r
where r=0,1,2.
put r=0
n=3q+0
n=3q
3q+2
3q+4
a=3q+2
n=3q+2
n=3q+4
Khushi2558:
is it complete answer....?? i found it in Complete
no
similarly put values
it is complete
??
u will get answers
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