Physics, Mathematics, Science, Quantum Physics, Education.
trivial (not in the way Fermat meant it). And I know it’s monstrous but I will leave this as an exercise to the reader. If you need a place to begin, let some new vector |c⟩ equal the following and use the fact that ⟨c|c⟩ ≥ 0. Anyway, back to our variances. Invoking the Schwarz inequality for two