Skip to main content

Unit 2 of 10 · 4 skills

Square Roots, up to i

Square roots, negative square roots and simplifying roots, all the way to the question only i can answer: what squares to −1?

Loading
“Algebra is but written geometry and geometry is but figured algebra.
Sophie Germain · French mathematician, 1776 to 1831Mémoire sur les surfaces élastiques, as quoted in Memorabilia Mathematica, 1914