Rearranging Equations

Question

How can I get from the first image to the second image? I've tried various ways but how does the exponential end up with a negative in front of it?

score 2 · Answer 1 · answered Aug 10 '17 at 13:39

2

HINT: multiply numerator and denominator by $$e^{-2\sqrt{Cg}t}$$

answered Aug 10 '17 at 13:39

your answer is eerily similar to mine, but you beat me by 30 seconds. well played ;) – Dando18 Aug 10 '17 at 13:41
but you get also your Points! – Dr. Sonnhard Graubner Aug 10 '17 at 13:43
Of course! I got it thank you! – Lisa Ban Aug 10 '17 at 13:43

score 1 · Answer 2 · answered Aug 10 '17 at 13:40

1

Hint: Multiply the RHS by $$ \frac{e^{-2\sqrt{Cg}t}}{e^{-2\sqrt{Cg}t}} $$

answered Aug 10 '17 at 13:40

Dando18

2 Answers2