SOLUTION: <p>Calculate 4&nbsp;<strong>u</strong>&nbsp;&ndash; 5&nbsp;<strong>v</strong></p> <p><strong>u</strong>&nbsp;= &#10216;6, 3&#10217;<br /><strong>v</strong>&nbsp;= &#10216;- 6, 9&#

Algebra ->  Trigonometry-basics -> SOLUTION: <p>Calculate 4&nbsp;<strong>u</strong>&nbsp;&ndash; 5&nbsp;<strong>v</strong></p> <p><strong>u</strong>&nbsp;= &#10216;6, 3&#10217;<br /><strong>v</strong>&nbsp;= &#10216;- 6, 9&#      Log On


   

Question 1102871:

Calculate 4 u – 5 v


u = ⟨6, 3⟩
v = ⟨- 6, 9⟩


Thanks all
Answer by Fombitz(32388) About Me  (Show Source):
You can put this solution on YOUR website!
4<6,3>-5<-6,9> =<24,12>-<-30,45>
4<6,3>-5<-6,9>=<24,12>+<30,-45>
4<6,3>-5<-6,9>=<24+30,12-45>
4<6,3>-5<-6,9>=<54,-33>