Question

How do you find the conjugate of `7-5i`?

Answer 1

Change the sign of the imaginary component to find that the conjugate of `7 - 5i` is `7 + 5i`

Explanation:

The complex conjugate of `a+bi` is `a-bi`, that is, you simply change the sign of the imaginary component. In this case we have `a = 7` and `b = -5`

so the conjugate of `7 - 5i` is `7 + 5i`