1. biquadratic - Noun
2. biquadratic - Adjective
Of or pertaining to the biquadrate, or fourth power.
A biquadrate.
A biquadratic equation.
Source: Webster's dictionaryFor a memoir on "Certain cubic and biquadratic problems" the Royal Academy of Sciences of Berlin awarded him the Steiner prize. Source: Internet
Kenneth Ireland and Michael Rosen 's A Classical Introduction to Modern Number Theory also has many proofs of quadratic reciprocity (and many exercises), and covers the cubic and biquadratic cases as well. Source: Internet
The German edition includes all of Gauss's papers on number theory: all the proofs of quadratic reciprocity, the determination of the sign of the Gauss sum, the investigations into biquadratic reciprocity, and unpublished notes. Source: Internet