- #1

- 68

- 0

^{2}+y

^{2}= 50 the same as y

^{2}= 50 - x

^{2}?

From what I can take it, it'd be a no since.

For x

^{2}+y

^{2}= 50,

d/dx (x

^{2}+y

^{2}) = d/dx (50) --- will eventually be ---> dy/dx = -x/y

Where,

y

^{2}= 50 - x

^{2}

y = sqrt(50 - x

^{2})

dy/dx = .5(-x

^{2}+50)

^{-.5}*(-2x)