Noun
elementary symmetric polynomial (plural elementary symmetric polynomials)
(algebra) a coefficient of some power of t in
(
t
+
x
1
)
(
t
+
x
2
)
⋯
(
t
+
x
n
)
{\displaystyle (t+x_{1})(t+x_{2})\cdots (t+x_{n})}
, for some
n
∈
N
{\displaystyle n\in \mathbb {N} }