Remember the method taught in school by which we used to find square roots in school? Its proof is rarely, if ever, mentioned at that time and higher classes also give it a miss. As a part of my journey to question my fundamentals again, I have written a small proof for this.
Writing in LaTeX is hard. But its worthwhile to see the formulas rendered so beautifully. So I have written this and will be writing future equation-oriented articles in LaTeX. Enjoy the proof till the next article arrives the day after tomorrow.