Uploaded May 2010 | Updated September 2026, 3 weeks ago
Why won't square roots "mix" with addition? Surely sqrt(a+b) should equal sqrt(a) + sqrt(b)? In this video we explore this issue and prove, with a simple diagram, that sqrt(a)+sqrt(b) is always sure to be larger than sqrt(a+b).
Why won't square roots "mix" with addition? Surely sqrt(a+b) should equal sqrt(a) + sqrt(b)? In this video we explore this issue and prove, with a simple diagram, that sqrt(a)+sqrt(b) is always sure to be larger than sqrt(a+b).
