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Nat2105 [25]
3 years ago
11

Express $\frac{15 + 10i}{1 + 2i}$ in rectangular form.

Mathematics
1 answer:
gtnhenbr [62]3 years ago
6 0

\dfrac{15 + 10i}{1 + 2i}=\\\\\dfrac{(15 + 10i)(1-2i)}{(1 + 2i)(1-2i)}=\\\\\dfrac{15-30i+10i+20}{1+4}=\\\\\dfrac{35-20i}{5}=\\\\7-4i

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Natalie is going mountain biking. She can buy a bike for $250 or she can rent a bike for $30 an hour. In both cases, she must al
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4 years ago
Terry had 400 inches of ribbon before he cut pieces of ribbon that were 8 inches long how many 15 inch pieces can terry cut fro
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Read 2 more answers
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