Alright 2 of the same circuits. One is from the signals and systems made ridiculously simple book that was posted on here. The other one is from some professors notes I found online. They get two different equations.
Which one is correct and why!? How do you figure this thing out, because I am confused as hell.
The first picture is from the professor.
The second is from the book.
They take a KVL equation around an RLC circuit and come up with two different equations. Both assuming the same sign convention. Maybe it's me that's screwed up.
Can someone help please!?