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# Complex Numbers | IntMath forum

- Re: RATIONAL NUMBERS [Pending...]

@Phinah: The key thing on that page is in the directions at the top: 'Remember,...**Murray**09 Dec 2019, 09:03 - Re: All numbers from the sum of complex numbers? [Pending...]

@BuBu: You haven't indicated any working so that I can get a sense of where...**Murray**09 Dec 2019, 01:22 - square root of a complex number [Solved!]

I canâ€™t get a formula for the square root of `a + bi` to work.**Jedothek**22 Nov 2019, 11:24 - Complex conjugates [Solved!]

In section 2 the part on dividing complex numbers, it is written that the numerator...**phinah**03 Aug 2017, 07:33 - square roots! [Solved!]

Hello Murray, I wanted to ask you a strange question that I found it little weird.....**NourHlwani**03 Jul 2016, 05:53 - Index problem [Solved!]

What is the difference between (-1)^2/2 and ((-1)^2)^1/2?**Rapelang**10 Dec 2015, 03:27