W waisi_unas New member Joined Jul 17, 2016 Messages 1 Jul 17, 2016 #1 Prove that ||x+y||=||x-y|| then <x,y>=0 ?
D Deleted member 4993 Guest Jul 18, 2016 #2 waisi_unas said: Prove that ||x+y||=||x-y|| then <x,y>=0 ? Click to expand... What are your thoughts? Please share your work with us ...even if you know it is wrong If you are stuck at the beginning tell us and we'll start with the definitions. You need to read the rules of this forum. Please read the post titled "Read before Posting" at the following URL: http://www.freemathhelp.com/forum/announcement.php?f=33
waisi_unas said: Prove that ||x+y||=||x-y|| then <x,y>=0 ? Click to expand... What are your thoughts? Please share your work with us ...even if you know it is wrong If you are stuck at the beginning tell us and we'll start with the definitions. You need to read the rules of this forum. Please read the post titled "Read before Posting" at the following URL: http://www.freemathhelp.com/forum/announcement.php?f=33
