Bunuel,
When to use
1.\sqrt{x} = Mod(X) or
2. \sqrt{X} = X
Here u have used \sqrt{x} = Mod(X) while in the problem below:
If \sqrt{3-2x}= \sqrt{2x} +1 then 4x2 =
(A) 1
(B) 4
(C) 2 − 2x
(D) 4x − 2
(E) 6x − 1
you have used \sqrt{X} = X
Why so?
When to use
1.\sqrt{x} = Mod(X) or
2. \sqrt{X} = X
Here u have used \sqrt{x} = Mod(X) while in the problem below:
If \sqrt{3-2x}= \sqrt{2x} +1 then 4x2 =
(A) 1
(B) 4
(C) 2 − 2x
(D) 4x − 2
(E) 6x − 1
you have used \sqrt{X} = X
Why so?