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    \[ \frac{dy}{dx}=\frac{−2y}{2x+=\frac{−y}{x}} \nonumber\] \[ \frac{d}{dx}[3y^2−cosy]=\frac{d}{dx}[x^3] \nonumber\] \[ \frac{d}{dx}[8y^3+x^2y−x]=\frac{d}{dx}[3] \nonumber\] \[ \frac{d^2y}{dx^2}=\frac{(...\[ \frac{dy}{dx}=\frac{−2y}{2x+=\frac{−y}{x}} \nonumber\] \[ \frac{d}{dx}[3y^2−cosy]=\frac{d}{dx}[x^3] \nonumber\] \[ \frac{d}{dx}[8y^3+x^2y−x]=\frac{d}{dx}[3] \nonumber\] \[ \frac{d^2y}{dx^2}=\frac{(4y)(5)−(5x)(4\frac{dy}{dx})}{(4y)^2} \nonumber\] Використовуйте неявну диференціацію, щоб показати, що дотична лінія до кривої y 2 = kx at (x 0 , y 0 ) задається тим,\[ y_0y= \frac{1}{2}k(x+x_0) \nonumber\] де k - константа. знайти\[ \frac{d^2y}{dx^2} \nonumber\] в терміні x і y.