A Conversation for Gaussian Integers

Wrong equation

Post 1

frleon

(4+i)x(4-i) is prime but not 5 - it's 17.


Wrong equation

Post 2

toybox

smiley - dohsmiley - blush

Thanks for pointing that out!
I've asked Editorial Feedback to correct the mistake:

F47997?thread=8219629


Wrong equation

Post 3

Icy North

I think the technical term is a "blunder".

Now, you wouldn't catch me making mistakes like that smiley - whistle

...often


Wrong equation

Post 4

toybox

It's an old trick to see if the students are following smiley - winkeye


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