Problematic square root
3955
Square roots -- positive and negative
100433
Limit of difference of two square roots
81875
why is $\sqrt{-1} = i$ and not $\pm i$?
41204
Why do I get one extra wrong solution when solving $2-x=-\sqrt{x}$?
47463
Converting sums of square-roots to nested square-roots
58171
Two problems about Squarefree numbers
86688
Why can't you square both sides of an equation?
64262
cubic root of negative numbers
21361
c++ practical computational complexity of  SQRT()
95449
What is the square root of "$i$"?
105737
Computing limits which involve square roots, such as $\sqrt{n^2+n}-n$
150624
Why does the square root of a square involve the plus-minus sign?
39170
Existence of square root
75690
Does the given matrix have a square root?
154798
Issue with NSolve
147960
Simplify not evaluating completely with Square roots
80772
What happens when square root is performed in inequalities?