<span>(2√3 - 2√-3) + (√12 - √-12)
</span>=2√3-2√3i+2√3-2√3i
=4√3-4√3i
The branch of science that deals with the identification of the substances of which matter is composed; the investigation of their properties and the ways in which they interact, combine, and change; and the use of these processes to form new substances
Answer:

Step-by-step explanation:

Divide the numerator and denominator by 4
Answer:
option a 317,649
Step-by-step explanation:
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Answer:
180°
Step-by-step explanation: