Mathematics in Ancient and Medieval India c7.s5.242

c7.s5.242

Hints : putting for (i) x = u² – 1, y = 2u, (ii) x = v² + 2v, y = 2v + 2, (iii) x = v² – 2v, y = 2v – 2 or (iv) x = v² + 4v + 3, y = 2v + 4 separately in the equation, the reduced equation obtained will always depend upon the solution of the Pellian equation.