History of Hindu Mathematics: A Source Book v2.c17.s8.12

v2.c17.s8.12

The working of the particular example in which s = 60, a = 1, b = 1 is preserved substantially as follows: 8bs = 480; 2a = 2; 2a - b = 1; (2a - b)² = 1; 8bs + (2a - b)² = 481; n = ½(- 1 + √481), etc.