Let \(a, b, c, d\) be nonnegative real numbers such that \(a + b + c + d = 1\). Find the minimum value of \(a^2 + b^2 + c^2 + d^2\).
+142 What a coincidence!
This problem is in my AoPS Intermediate Algebra homework that I was just going to attempt!!!
+2862 Oh dang I haven't learned whatever Cauchy-Schwarz is.
I mean, I am taking the AMC 8 next friday, I think I should just focus on the basic things right now...
+2862 The way I get good at math is to grind Web2.0Calc.com
which is kind of weird.
