2331_hw1_key - 1 Math 2331- HW 1 Key Problem: If...

Info iconThis preview shows pages 1–2. Sign up to view the full content.

View Full Document Right Arrow Icon

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon
This is the end of the preview. Sign up to access the rest of the document.

Unformatted text preview: 1 Math 2331- HW 1 Key Problem: If & = 1 3 5 , = 1 1 1 , = 1 1 2 = 1 , = 1 , = 1 a) & = . + . + . = b) & = . + . + . = c) Express & and as a linear combination of , and : & = + + = + d) Length of & = + + = . e) Length of & + = + + = since 3 2 5 1 v u + = . f) What is the cosine of the angle between & and ? Are they perpendicular? 9 3 105 cos( ) 35 35 3 v w v w = = = i No, not perpendicular since cos( ) . g) Use given vectors to fill in: __ i ___ and __ j ___ are perpendicular to each other. __ i ___ and __ k ___ are perpendicular to each other. __ j ___ and __ k ___ are perpendicular to each other. ___ u __ and __ w ___ are perpendicular to each other....
View Full Document

This note was uploaded on 02/21/2012 for the course MATH 2331 taught by Professor Staff during the Spring '08 term at University of Houston.

Page1 / 3

2331_hw1_key - 1 Math 2331- HW 1 Key Problem: If...

This preview shows document pages 1 - 2. Sign up to view the full document.

View Full Document Right Arrow Icon
Ask a homework question - tutors are online