Question
$$\begin{aligned}&u-v=0\\&7 u+v=0\end{aligned}$$
Step 1
We can rearrange this equation to solve for $u$, which gives us $u=v$. Show more…
Show all steps
Your feedback will help us improve your experience
Amy Jiang and 66 other Algebra educators are ready to help you.
Ask a new question
Labs
Want to see this concept in action?
Explore this concept interactively to see how it behaves as you change inputs.
Key Concepts
Recommended Videos
$$u^{\prime \prime}+7 u=0$$
Linear Second-Order Equations
Auxiliary Equations with Complex Roots
Let $u=(7-2 i, 2+5 i)$ and $v=(1+i,-3-6 i) .$ Find: (a) $u+v$ (b) $2 i u$ (c) $\quad(3-i) v$ (d) $u \cdot v$ (e) $\|u\|$ and $\|v\|$
Let $u=(1+7 i, 2-6 i)$ and $v=(5-2 i, 3-4 i) .$ Find: (a) $u+v$ (b) $(3+i) u$ (c) $2 i u+(4+7 i) v$ (d) $u \cdot v$ (e) $\|u\|$ and $\|v\|$
Transcript
Watch the video solution with this free unlock.
EMAIL
PASSWORD