Solve for u

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Revisiting precalculus just for fun.

IMG_20220409_181656.jpg
 
m^2=(1/2)(s^2+t^2)-(1/4)u^2
(1/4)u^2=(1/2)(s^2+t^2)-m^2
u^2=4(1/2)(s^2+t^2)-m^2
u^2=2(s^2+t^2)-m^2
u=sqrt(2(s^2+t^2)-m^2)
 
m^2=(1/2)(s^2+t^2)-(1/4)u^2
(1/4)u^2=(1/2)(s^2+t^2)-m^2
u^2=4(1/2)(s^2+t^2)-m^2
u^2=2(s^2+t^2)-m^2
u=sqrt(2(s^2+t^2)-m^2)

Ok. No more bouncing around. We are doing calculus. So, let's stick to one course at a time. I would like for us to go through an entire college algebra textbook in the future, if you so desire to continue this journey.
 

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