- #1
s3a
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Homework Statement
(Snapshot time = 1:02)
Homework Equations
Annihilator method.
The Attempt at a Solution
In the snapshot at time = 1:02 of this video, I don't get the y'' + 4y = 0 despite the annotations the author placed. Also, a comment in the video says "you skipped finding and applying the actual annihilator." Could someone please elaborate on all this since I'm having major trouble with this topic?
Any help in understanding this would be greatly appreciated!
Thanks in advance!
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