Use “sqrt” for square root symbol. For instance,   can be ex…

Use "sqrt" fоr squаre rооt symbol. For instаnce,   cаn be expressed as sqrt(x^2-1), or sqrt(x^2 - 1). Use lowercase x for variable "x". Use digits for numbers, for instance 2, not "two" or "TWO".    a = [answer1] b = [answer2] c = [answer3]