Stranger than fiction

Algebra Level 4

Which of these describes i \sqrt{i} ?

None of these Integer Undefined Real Imaginary

Alex Li by Alex Li , 22, USA

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1 solution

Alex Li
Jul 21, 2015

The value of the expression is 2 2 + 2 2 i \frac{\sqrt{2}}{2}+\frac{\sqrt{2}}{2}i . This number is called a complex number. Note that imaginary numbers, by definition, cannot have a real part, so it is incorrect.

1 Helpful 0 Interesting 0 Brilliant 0 Confused

Isn't being purely imaginary means that?

Akshat Sharda - 3 years, 5 months ago

This answer is wrong...

DragonBall Showdown - 3 years, 3 months ago

There will be two solutions (1/((2)^1/2))+i(1/((2)^1/2)) and
-(1/2^1/2 )-i(1/2^1/2)

DragonBall Showdown - 3 years, 3 months ago

1 pending report

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