Show that any positive odd integer is of the form 4q+1 or 4q+3, where q is some integer..
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any positive odd integer is of the form 4q+1 or 4q+3, where q is some integer..
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Answered by
1
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Let 'a' be any positive integer
on dividing a by 4
q be quotient and r be remainder
By using Euclid's division lemma ,we have
a=4q+r where
i.e r= 1, 2, 3
a=4q
a=4q+1
a=4q+2
a=4q+3
but here 4q and 4q+2 are divisible by 2
whereas 4q+1 and 4q+3 are positive odd integer
i.e 'a'
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