In this post, I’ll be proving that:

First of all, let’s say that:

Whereby, .

And also that:

Whereby, .

If this is the case, this means that:

Therefore:

Hence we’ve proven that:

In this post, I’ll be proving that:

First of all, let’s say that:

Whereby, .

And also that:

Whereby, .

If this is the case, this means that:

Therefore:

Hence we’ve proven that:

Want to find the magnitude of a vector?

You quite simply have to know that:

And that if:

So: