-√(x² - y²)
Explanation:
let the first number = x
second number = y
The squares of the two numbers = x², y²
the difference between the squares of two numbers = x² - y²
The negative square root of a number is one of the root of a perfect square. But it is the one with the negative sign.
√4 = + or - 2
The negative square root of 4 = -√4 = -2
the negative square rootof the difference between the squares of two numbers:
-√(x² - y²)
