Comments on: Learning Tip: The 5 Second Gutcheck https://betterexplained.com/articles/gutcheck/ Math lessons that click Tue, 09 Jun 2020 04:09:38 +0000 hourly 1 By: kalid https://betterexplained.com/articles/gutcheck/#comment-351220 Wed, 03 Oct 2018 04:37:00 +0000 https://betterexplained.com/?p=11760#comment-351220 In reply to Bradley Kuszmaul.

Great point — another nice opportunity for a gutcheck (All the options lie on the real number line).

]]> By: Bradley Kuszmaul https://betterexplained.com/articles/gutcheck/#comment-351186 Tue, 02 Oct 2018 19:03:00 +0000 https://betterexplained.com/?p=11760#comment-351186 i^i has many solutions. Since i=e^{i (pi/2 + 2pi k)} for any integer k, we have i^i = e^{-pi/2 + 2pi k} for any integer k. So it could be a very small number or a very large number.

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