- #1
unscientific
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Homework Statement
Homework Equations
The Attempt at a Solution
The 4 main equations are equations (1), (2), (7) and (8).
But I can't seem to isolate A5 alone as solving equations (7) and (8) will make A5 disappear..
I got the relation between A1, A2, A3 and A4 but still no A5..