Khan/khan-exercises — Issue #14393: Multiplying complex numbers - One of the complex numbers are not complex
Author: KhanBugz
Created: 2012-02-22 11:25:57+00:00
State: open
Labels: chrome, win7, wrong-or-unclear

One of the two complex numbers to be multiplied is not a complex number.

The hint doesn't account for this, so it looks messy.

[multiplying_complex_numbers.html?seed=34&problem=multiply-cplx](http://sandcastle.khanacademy.org/media/castles/Khan:master/exercises/multiplying_complex_numbers.html?seed=34&problem=multiply-cplx&debug)

[Answer timeline](http://sandcastle.khanacademy.org/media/castles/Khan:master/exercises/multiplying_complex_numbers.html?seed=34&problem=multiply-cplx&debug&activity=%5B%5B%22hint-activity%22%2C%220%22%2C6%5D%2C%5B%22hint-activity%22%2C%220%22%2C8%5D%5D)

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Mozilla/5.0 (Windows NT 6.1; WOW64) AppleWebKit/535.7 (KHTML, like Gecko) Iron/16.0.950.0 Chrome/16.0.950.0 Safari/535.7

MathJax is loaded, ready, queue length: 0