I have to confess...
I sketched it up on a scrap piece of paper before I wrote up the proof, i.e. I had the answer before I did the math. The rest was just a math exercise to prove that this was the answer.
Off Topic » in reply to Re: A really hot rocket scientist could have done it in his head. (n/t)
I sketched it up on a scrap piece of paper before I wrote up the proof, i.e. I had the answer before I did the math. The rest was just a math exercise to prove that this was the answer.