show that a=3i-2j+k, b=i-3j+5k, c=2i+j-4k form a right angled triangle
M mathseeker New member Joined Feb 17, 2017 Messages 6 Feb 18, 2017 #1 show that a=3i-2j+k, b=i-3j+5k, c=2i+j-4k form a right angled triangle
D Deleted member 4993 Guest Feb 18, 2017 #2 mathseeker said: show that a=3i-2j+k, b=i-3j+5k, c=2i+j-4k form a right angled triangle Click to expand... Have you been taught dot product? 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
mathseeker said: show that a=3i-2j+k, b=i-3j+5k, c=2i+j-4k form a right angled triangle Click to expand... Have you been taught dot product? 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