show that every even positive number 5m+1, 5m+3 for some integer number
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lat a be any positive integer and b=5
by Euclid's division Leema a=bq+r
where b>r>=0. r=0,1,2,3,4
when r=0
a=bq+r
a=5q+0
a=5q
when r=1
a=5q+1. (here q=m)
a=5m+1
when r=2
a=5q+2. (here q=m)
a=5m+2
when r=3
a=5q+3. (here q=m)
a=5m+3
when r=4
a=5q+4. (here q=m)
a=5m+4
by Euclid's division Leema a=bq+r
where b>r>=0. r=0,1,2,3,4
when r=0
a=bq+r
a=5q+0
a=5q
when r=1
a=5q+1. (here q=m)
a=5m+1
when r=2
a=5q+2. (here q=m)
a=5m+2
when r=3
a=5q+3. (here q=m)
a=5m+3
when r=4
a=5q+4. (here q=m)
a=5m+4
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