Question on existence of square root function!
3955
Square roots -- positive and negative
74195
Find values of $a$ for which function will have real roots
68804
Writing your own square root function
3621
How can I show that $y'=\sqrt{|y|}$ has infinitely many solutions?
144042
On the functional square root of $x^2+1$
6582
Prove the existence of the square root of $2$.
56983
Square of a function with an essential singularity
42332
Existence of multiplicative inverse in field $\mathbb{Q}(\sqrt{d})$
127102
Upper bound for $\sqrt[n]{n!}$
116901
Monotonicity of $\frac{n}{\sqrt[n]{(n!)}}$
88640
Is $\sqrt x$ continuous at $0$? Because it is not defined to the left of $0$
53958
General misconception about $\sqrt x$
141423
The continuity of $f(x,y) = \frac {\sin (xy)} {\sqrt {x^2 + y^2}}$ at $(0,0)$
10774
Why $f(x) = \sqrt{x}$ is a function?
69426
Checking if the roots of a function are real
75639
Showing that $\sqrt[3]{2}\notin\Bbb Q(\alpha_1,...,\alpha_k)$ where $\alpha_i^2\in\Bbb Q\ \forall i$
34491
Is there a way to show that $\sqrt{p_{n}} < n$?