Home > PC3 > Chapter 7 > Lesson 7.1.5 > Problem7-65

7-65.

Given $\vec{\text{a}}=⟨2,-3⟩$ and $\vec{\text{b}}=⟨−4,1⟩$, calculate $\Vert\vec{\text{c}}\Vert$ where $\vec { \text{c} } = \vec { \text{a} } + 2 \vec { \text{b} }$.

$\text{c}=⟨2+2(-4)$$-3+2(1)⟩$