History of Hindu Mathematics: A Source Book v2.c17.s1.56

v2.c17.s1.56

Its body (*ABCD*) consists of four squares of one square *puruṣa* each; each of its wings (*EFGH*, *E'F'G'H'*) is a rectangle of one *puruṣa* by one *puruṣa* and a *prâdeśa* (= 1/10 of a *puruṣa*). This Fire-altar was enlarged in two ways: *first*, in which all the constituent parts were affected in the same proportion; *second*, in which the breadth of the portions *LFGM* and *L'F'G'M'* of the wings were left unaffected. If *x* be the enlarged unit for enlargement in the first case we shall have to solve the quadratic equation