History of Hindu Mathematics: A Source Book v2.c17.s4.23

v2.c17.s4.23

**Squaring.** Only one rule for the squaring of an algebraic expression is found in treatises on algebra. It is the same as that stated before in the treatises on arithmetic, *viz.*, $(a+b)²=a²+b²+2ab;$ or, in its general form, (a + b + c + d + )² = a² + b² + c² + d² + + 2 ab.