# 三項式

## 三項多項式

1. ${\displaystyle 3x+5y+8z}$${\displaystyle x}$, ${\displaystyle y}$, ${\displaystyle z}$変数
2. ${\displaystyle 3t+9s^{2}+3y^{3}}$${\displaystyle t}$, ${\displaystyle s}$, ${\displaystyle y}$は変数）
3. ${\displaystyle 3ts+9t+5s}$${\displaystyle t}$, ${\displaystyle s}$は変数）
4. ${\displaystyle Ax^{a}y^{b}z^{c}+Bt+Cs}$${\displaystyle x}$, ${\displaystyle y}$, ${\displaystyle z}$, ${\displaystyle t}$, ${\displaystyle s}$は変数、${\displaystyle a}$, ${\displaystyle b}$, ${\displaystyle c}$自然数${\displaystyle A}$, ${\displaystyle B}$, ${\displaystyle C}$は任意の定数
5. ${\displaystyle Px^{a}+Qx^{b}+Rx^{c}}$${\displaystyle x}$は変数、定数${\displaystyle a,b,c}$は自然数、${\displaystyle P}$, ${\displaystyle Q}$, ${\displaystyle R}$は任意の定数）

## 脚注

1. ^
2. ^ （ポルトガル語）Serrasqueiro, José Adelino, Álgebra Elementar Livro Primeiro, Capítulo I: Noções preliminares §2º Expressões algébricas. Reducções
3. ^ Corless, R. M.; Gonnet, G. H.; Hare, D. E. G.; Jerey, D. J.; Knuth, D. E. (1996). “On the Lambert W Function”. Advances in Computational Mathematics 5 (1): 329–359. doi:10.1007/BF02124750.
4. ^ Hazewinkel, Michiel, ed. (2001), “Quadratic irrationality”, Encyclopedia of Mathematics, Springer, ISBN 978-1-55608-010-4