Question

Simplify 8 over the quantity of 2 plus 2i .


–2 + 2i
–2 – i
–2 + i
–2 – 2i

Answer 1

and so... .checked yet what a "conjugate" is?

Answer 2

and also, does \(\textit{difference of squares}
\\ \quad \\
(a-b)(a+b) = a^2-b^2\qquad \qquad
a^2-b^2 = (a-b)(a+b)\)

ring a bell?