## anonymous 4 years ago Solve.

1. anonymous

$\left(\begin{matrix}4+3i \\ (7-2i)(5+4i\end{matrix}\right)$

2. barrycarter

OK, what kind of symbol is that? To me, it means binomial, but that's clearly not what's being asked here.

3. y2o2

is this a division of complex numbers ?!

4. anonymous

I think so it is supposed to be a fraction but i forgot how to put it as one.

5. anonymous

i represents $\sqrt{-1}$