Answer:
1st one
Step-by-step explanation:
Answer:
afb= 90
cfd= 62
Step-by-step explanation:
Answer:
d!
Step-by-step explanation:
just took the test! gl
Answer:

Step-by-step explanation:
<u>Given Second-Order Homogenous Differential Equation</u>

<u>Use Auxiliary Equation</u>
<u />
<u>General Solution</u>
<u />
Note that the DE has two distinct complex solutions
where
and
are arbitrary constants.