I will give brainliest if you get it right and 1st please answer this question?!

Mathematics

2 answers:

Dima020 [189]3 years ago

4 0

Answer:

1 no

2 yes

3 yes

4 no

5 no

6 yes

explanation:

sooooooo just

2 and 3 and 6 :D have a nice thanks giving

-Dominant- [34]3 years ago

4 0

Answer:

2,3 and 6

1 is not
2 is
3 is
4 is not
5 is not
6 is

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Simplify the given expression below 4/3-2i

ANTONII [103]

So-called simplifying, really means, "rationalizing the denominator", which is another way of saying, "getting rid of that pesky radical in the bottom"

$\bf \cfrac{4}{3-2i}\cdot \cfrac{3+2i}{3+2i}\impliedby \textit{multiplying by the conjugate of the bottom}
\\\\\\
\cfrac{4(3+2i)}{(3-2i)(3+2i)}\implies \cfrac{4(3+2i)}{3^2-(2i)^2}\implies \cfrac{4(3+2i)}{3^2-(4i^2)}\\\\
-------------------------------\\\\
recall\qquad i^2=-1\\\\
-------------------------------\\\\
\cfrac{4(3+2i)}{3^2-(4\cdot -1)}\implies \cfrac{4(3+2i)}{9+4}\implies \cfrac{12+8i}{13}\implies \cfrac{12}{13}+\cfrac{8}{13}i$