👉 In mathematics, "petara" is a term used to describe a number that is both an integer and its own square root. This means that it can be written as the ratio of two integers, where one integer is less than the other and their difference is equal to 1. For example, 3/2 = 1.5, which is true because 1.5 is the ratio of 3 and 2. The term "petara" was first introduced by the