Question

Which complex number has an absolute value of square roof of 13 ?

Answer 1

There should be 8 of them

- 2 - 3i

- 2 + 3i

2 - 3i

2 + 3i

- 3 - 2i

- 3 + 2i

3 - 2i

3 + 2i

Thanks

absolute value is the real part squared + the complex part squared and the root of the things you get.

|a + ib|

= √(a²+b²)

so the sign doesn't matter