y = ax2 bx c ← c is a constant ⇒ dy dx = 2ax2−1 bx1−1 0 = 2ax1 bx0 0 = 2ax bExamples ax^2bxc=0 x^2x6=9 x^2x6=0 x^21=0 x^22x1=3x10 2x^24x6=0 quadraticequationcalculator ax^2bxc=0(1) a constant (2) a function of x only (3) a function of y only (4) a function of x and y Solution Given y 2 = ax 2 bx c Differentiate wrtx 2y dy/dx = 2ax b (i)
Quadratic Formula Wikipedia
