mkmcguire99 mkmcguire99
  • 25-09-2020
  • Mathematics
contestada

perform the indicated operation (-2i+3i)+(-1-4i)

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sqdancefan
sqdancefan sqdancefan
  • 25-09-2020

Answer:

  -1 -3i

Step-by-step explanation:

It is unusual to have two imaginary terms grouped together like this. Taking the question at face value, we treat i as though it were a variable, and collect terms in the usual way.

  (-2i +3i) +(-1 -4i) = i(-2+3-4) -1 = -1 -3i

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