User contributions
- 21:11, 4 February 2025 (diff | hist) . . (-15) . . Square roots are always nonnegative (→Square roots are always nonnegative)
- 21:11, 4 February 2025 (diff | hist) . . (+15) . . Square roots are always nonnegative (→Square roots are always nonnegative)
- 21:10, 4 February 2025 (diff | hist) . . (+4) . . Square roots are always nonnegative (→Square roots are always nonnegative)