<span>y" + 9y = 0
m^2 + 9 = 0
m = ± 3i
yH = C1 cos 3t + C2 sin 3t
yP = C3 t sin 3t + C4 t cos 3t
hope this helps </span>
Answer:
Hi ik I'm not answering but can you please mark me as brainliest? I need it to rank up.
Step-by-step explanation:
Answer:
Don't know tbh
Step-by-step explanation:
First add +2z on each side to cancel out the z on the left. then from there do the same on each side.
Answer:
the answer is parallel lines. b is the answer