3 ms·
But a surprising number of them can be solved with the insight only that x^2 >= 0. (Both Cauchy-Schwartz and AM/GM reduce to that if you squint hard enough). An
by dmurray 6y ago
But a surprising number of them can be solved with the insight only that x^2 >= 0. (Both Cauchy-Schwartz and AM/GM reduce to that if you squint hard enough). And that's accessible to any maths student.