Square root of 4 equals 2 (or) ±2?
1522
Is $\sqrt{64}$ considered $8$? or is it $8,-8$?
82630
How is it, that $\sqrt{x^2}$ is not $ x$, but $|x|$?
96875
Finding the value of $x^{x^2}+x^{x^6}$ given that $x^{x^4}=4$
100995
For what $x$ : $2\sqrt{x}+\dfrac{1}{\sqrt{x+1}} \leq 2\sqrt{x+1}$
142580
Prove that a perfect square is either a multiple of $4$ or of the form $4q+1$.
116391
How to find P(2X>4)?
85425
Is there any simple method to calculate $\sqrt x$ without using logarithm
17355
How do I get the square root of a complex number?
70660
Why is $\sqrt{8}/2$ equal to $\sqrt{2}$?
143733
Is this proof that $\sqrt 2$ is irrational correct?
127901
If $x^2+y^2 \equiv 0\pmod{p}$, then $p \equiv 1 \pmod{4}$
857
8 / 4 (4-2) = ? What is answer?
126711
What is the square matrix $A$ equal to if $A=A^2$
95913
Solve for $x$: $2^x=4x$
42581
Simple algebra square root inequality
48035
Prove that square root of 2 is irrational using the principle of Mathematical Induction
3955
Square roots -- positive and negative