y = αxn±βxn-1…±ψx±ω = 0 T.theodor 2022.7.21

y = α( )n + β( )n-1 + γ( )n-2 … ψ ( )+ ω = 0 T.theodor 2022.7.21

y = ( x-α )n + β ( α，β ) T.theodor 2022.7.21

y = | ( x- α )n | + β ( α，β ) T.theodor 2022.7.21

cubic function 9a2t2+5abt+t2 = 0 二点 T.theodor 2022.7.21

半径 α S = 1/2nα2 sin 360°/n L = n√2α2 ( 1- cos 360°/n ) T.theodor 2022.7.21

rational function y = √f(x)/g(x) y = f(x)/√g(x) T.theodor 2022.7.21

x2-2x+2(√-x2+2x +y2 = 1 T.theodor 2022.7.21

rational function y = / x+α/ax2+bx+c y = / ax2+bx+c/dx2+ex+e y = / ax+b/cx3+dx2+ex+f y = / ax2+bx+c/dx3+ex2+fx+g y = / ax3+bx2+cx+d/ex3+fx2+gx+h T.theodor 2022.7.21

x3 + ax2 + bx + c = 0 x3 - ( α+β+γ )x2 - ( αβ+βγ+αγ )x - αβγ = 0 α+β+γ = a αβ+βγ+αγ = b αβγ = c x3 - 6x2 - 11x - 6 = 0 α+β+γ = 6 αβ+βγ+αγ = 11 αβγ = 6 α = 1，β = 2，γ = 3 ( x-1)(x-2)(x-3) = 0 T.theodor 2022.7.21