A drawer contains 11 identical red socks and 8 identical black socks. Suppose that you choose 2 socks at random in the dark, wha
1 answer:
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Answer:
d. the quantity of negative twenty plus sixteen i all over forty one.
Step-by-step explanation:
We want to simplify the complex number:
We rewrite to obtain:
Recall that: and
We simplify to get:
We rationalize to get:
The correct answer is D