Question

How do you write the complex conjugate of the complex number `2ix - i`?

Answer 1

`tilde z = - i (2x - 1)`

Explanation:

if `z = a + i b` then conjugate `tilde z = a - ib`

here `z = i (2x - 1)`, ie `b = 2x - 1`

So `tilde z = - i (2x - 1)`