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 October 24th, 2016, 11:15 PM #1 Newbie   Joined: Oct 2016 From: UGANDA Posts: 1 Thanks: 0 Proofs How can l prove that (a,b)=2(a/2,b/2) if a and b are positive integers
 October 25th, 2016, 01:48 PM #2 Global Moderator   Joined: May 2007 Posts: 6,732 Thanks: 689 It seems to follow from the definition of scalar multiplication of a vector.
October 25th, 2016, 04:21 PM   #3
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 Originally Posted by KATUSIIME JACKSON How can l prove that (a,b)=2(a/2,b/2) if a and b are positive integers
And it will hold for any a, b.

-Dan

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