1Department of Mathematics, National College, Trichy, India. E-mail: gopalanma@yahoo.com
2Department of Mathematics, Shrimati Indira Gandhi College, Trichy, India. E-mail: vidhyaramanad@yahoo.co.in
AMS Mathematics Subject Classification: 11D25.
A process to obtain nonzero integral solutions of the quadratic equations with four unknowns of the form x2 + y2 = w2 + Dz2 where D is positive and square free integer, has been presented. Given a solution, a method to generate a 2nd solution is also presented.
Quadratic equation with fourunknowns, integral solutions