Question

Which of the following is the conjugate of 6 + 7i?

6 + 7i

6 − 7i

7 + 6i

7 − 6i

Answer 1

A conjugate of \[(a+b)\]is what makes it into\[a^2-b^2\]
so for \[(a+b)\]it would be\[(a-b)\]

Answer 2

@SolomonZelman 6-7i ?

Answer 3

Oh snap, nice, there we go, that's what I am talking about!!!!!!!!!!!!

Quickly understood.

Answer 4

Now tell me this, when is a conjugate primarily used?