My Math Forum  

Go Back   My Math Forum > College Math Forum > Linear Algebra

Linear Algebra Linear Algebra Math Forum

LinkBack Thread Tools Display Modes
June 10th, 2017, 12:13 AM   #11
Joined: May 2017
From: Slovenia

Posts: 89
Thanks: 0

Originally Posted by skeeter View Post
could this statement mean $m$ and $n$ are unit vectors that are not orthogonal?

if so ...

$e = \left(2-\dfrac{1}{\sqrt{2}}\right)i - \left(\dfrac{1}{\sqrt{2}}\right)j$

$f = \left(4-\dfrac{5}{\sqrt{2}}\right)i - \left(\dfrac{5}{\sqrt{2}}\right)j$

however, this makes $|e \times f| = 3\sqrt{2}$

Yes they are not orthogonal. But still the answer is the same as mine not theirs.
sarajoveska is offline  

  My Math Forum > College Math Forum > Linear Algebra


Thread Tools
Display Modes

Similar Threads
Thread Thread Starter Forum Replies Last Post
vectors rakmo Algebra 4 March 11th, 2014 05:55 PM
vectors Alexis87 Algebra 3 October 15th, 2013 01:22 PM
vectors md_2674062 Algebra 2 August 8th, 2011 05:31 PM
Vectors help djiang87 Linear Algebra 8 March 25th, 2010 01:17 AM
vectors help >.< Uta-Chan Linear Algebra 1 March 23rd, 2010 08:43 AM

Copyright © 2018 My Math Forum. All rights reserved.