If √x = x, then which of the following must be true?
If √x = x, then which of the following must be true?
Answer/Solution
x is non-negative
Steps/Work
Square both the sides we get
x = x^2
x^2 - x= 0
x(x-1)=0
either x=0 or x=1
So, answer will be D
x = x^2
x^2 - x= 0
x(x-1)=0
either x=0 or x=1
So, answer will be D