1) quadratics of n variables
n元二次式
2) n variables power two polynomial
n元二次多项式
1.
Using the elementary means,a necessary and sufficient condition,differentiating whether n variables power two polynomial can be factorized,was put forward.
用初等方法给出了一个判别n元二次多项式可因式分解的充要条件,并给出了分解的具体方法。
3) n variables power quadratic form
n元二次齐式
4) quadratic heterogeneous polynomial with n varibles
n元二次非齐次多项式
1.
In this article matrix is employed in presenting a way that a quadratic heterogeneous polynomial with n varibles can be divided into the products of two linear factors, and thus the problem of factorization of this sort can be settled.
用矩阵方法给出了一个判别实n元二次非齐次多项式可分解为二个一次因式的乘积的方法,解决了这类多项式的因式分解问
5) Extreme Value of Quadratics of N Variables
n元二次式的极值
6) binary nth degree form
二元n次型
补充资料：元二
1.元年二年。 2.古代术数语。谓一元之中，有天地二厄，即阳九与百六。后因以指灾年，厄运。
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