Difference between revisions of "Biquadratic equation"
From Encyclopedia of Mathematics
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An equation of the type | An equation of the type | ||
| − | + | $$ax^4+bx^2+c=0,$$ | |
| − | where | + | where $a,b,c$ are given complex numbers and $a\neq0$. The substitution $y=x^2$ converts a biquadratic equation into a [[Quadratic equation|quadratic equation]]. |
Latest revision as of 13:23, 9 April 2014
An equation of the type
$$ax^4+bx^2+c=0,$$
where $a,b,c$ are given complex numbers and $a\neq0$. The substitution $y=x^2$ converts a biquadratic equation into a quadratic equation.
How to Cite This Entry:
Biquadratic equation. Encyclopedia of Mathematics. URL: http://encyclopediaofmath.org/index.php?title=Biquadratic_equation&oldid=14773
Biquadratic equation. Encyclopedia of Mathematics. URL: http://encyclopediaofmath.org/index.php?title=Biquadratic_equation&oldid=14773