math_celebrity Administrator Staff member Nov 5, 2021 #1 square root of the sum of 2 variables The phrase 2 variables means we choose 2 arbitrary variables, let's call them x and y: x, y The sum of 2 variables means we add: x + y Square root of the sum of 2 variables is written as: sqrt(x + y)

square root of the sum of 2 variables The phrase 2 variables means we choose 2 arbitrary variables, let's call them x and y: x, y The sum of 2 variables means we add: x + y Square root of the sum of 2 variables is written as: sqrt(x + y)