Question

(｀・ω・´)

求這三題

16. Find
ďy
dx²
+ y² = 1 (b) x³ + y³ = 1 (c) √√x - √y=1
(a) x² + y² = 1

Answer 1

線上上課都在線

a
隱微分
2x+2y(dy/dx)=0
dy/dx=-x/y
d²y/dx²=(-1/y)+(dy/dx)(x/y²)=-1/y+(-x/y)(x/y²)=-1/y-x²/y³
剩下類似

線上上課都在線

https://www.quora.com/What-is-the-second-derivative-of-x-2-y-2-a-2