Quadratic integer
From Fresh Dictionary
Contents |
[edit]
English
[edit]
Etymology
The idea of integer here is that the coefficient of the <math>x^2</math> term is 1.
[edit]
Noun
Quadratic integer (plural Quadratic integers)
- (mathematics{{#if:|, {{{2}}}{{#if:|, {{{3}}}{{#if:|, {{{4}}}{{#if:|, {{{5}}}{{#if:|, {{{6}}}{{#if:|, {{{7}}}{{#if:|, {{{8}}}{{#if:|, {{{9}}}}}}}}}}}}}}}}}}}) A number (real or complex) which is a solution to an equation of the form <math>x^2 + Bx + C = 0</math> for some integers B and C. For example 42, or 2+3i, or <math>1+\sqrt -3 \over 2</math>.
[edit]