in Algebra, an equation raised to the fourth power, or where the unknown quantity of one of the terms has four dimensions. Thus \(x^4 + ax^3 + bx^2 + cx + d = 0\) is a biquadratic equation. See Algebra.
in Algebra, an equation raised to the fourth power, or where the unknown quantity of one of the terms has four dimensions. Thus \(x^4 + ax^3 + bx^2 + cx + d = 0\) is a biquadratic equation. See Algebra.