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[Thomas Klemm]

(02-22-2015 04:41 PM)Gerson W. Barbosa Wrote:  So one possible answer to the square root of VA is 45, NOT W, if my line of thought matches Valentín's.

The integer solutions to \(31n+10=m^2\) are:
\(n=31k^2+28k+6; m=31k+14; k \in \mathbb{Z}\)
\(n=31k^2+34k+9; m=31k+17; k \in \mathbb{Z}\)

Thus e. g. 48₇₄ is another solution for the square root of VA₇₄.

Cheers
Thomas