Shea Stuart

2022-07-02

I tried figuring out what's the geometrical meaning of this identity in vectors. Proving it isn't a problem, however I'd like to know a more geometry oriented explanation to it.
I'd appreciate if someone could explain it to me. Thank you.
$‖a+b{‖}^{2}+‖a-b{‖}^{2}=2\left(‖a{‖}^{2}+‖b{‖}^{2}\right)$

Nirdaciw3

Expert