What is easiest way to prove that $\sqrt 8/2$ is equal to $\sqrt 2$.
70660
Why is $\sqrt{8}/2$ equal to $\sqrt{2}$?
147892
Proving if $x<y$ then $\sqrt{x} < \sqrt{y}$
28347
Prove that $\sqrt 2 + \sqrt 3$ is irrational
34906
Showing $[\mathbb{Q}(\sqrt[4]{2},\sqrt{3}):\mathbb{Q}]=8$.
88429
Prove $\sqrt{2} + \sqrt{5}$ is irrational
66703
Show that $8 \mid (a^2-b^2)$ for $a$ and $b$ both odd
136868
Prove that $\sqrt{a^2+3b^2}+\sqrt{b^2+3c^2}+\sqrt{c^2+3a^2}\geq6$ if $(a+b+c)^2(a^2+b^2+c^2)=27$
30478
How to prove that a number is irrational
119146
How to solve $n < 2^{n/8}$ for $n$?
96204
Irrational number $\sqrt2$ proof
7966
How prove $ \sqrt{2}+\sqrt{3}>\pi$?
82803
Prove that $\lfloor\lfloor x/2 \rfloor / 2 \rfloor = \lfloor x/4 \rfloor$
158066
Prove $2^{1/3}$ is irrational.
122878
How can I prove that $2/9<x^4+y^4<8$?
49750
Proof of the square root inequality $2\sqrt{n+1}-2\sqrt{n}<\frac{1}{\sqrt{n}}<2\sqrt{n}-2\sqrt{n-1}$
4345
Prove that lim $(\sqrt{n^2+n}-n) = \frac{1}{2}$
68092
Does square difference prove that 1 = 2?