2 years ago

I need help guys thanks so much

Mathematics

1 answer:

Nastasia [14]2 years ago

7 0

Answer: A & C

Step-by-step explanation:

$i=\sqrt{-1}$

$\sqrt{-1} *\sqrt{4} =\sqrt{-4}$

You can also simplify the above by taking the -4 out of the radical

It becomes 2 x $\sqrt{-1}$ , which can be simplifed to C

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