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GalinKa [24]
3 years ago
11

Plz hurry and help! I'm in a hurry!

Mathematics
2 answers:
LuckyWell [14K]3 years ago
6 0

Answer:

= -(9 + 9 \sqrt{3i}  - (2 +  \sqrt{3i} ) )\\  = -(9 - 2) + -(9 \sqrt{3 }  -  \sqrt{3} )i \\  = -7 + -(9 - 1) \sqrt{3} i \\  = -7  -8 \sqrt{3} i

juin [17]3 years ago
4 0

Answer:

  • -7 - 8√3i

Step-by-step explanation:

<u>Given</u>

  • z₁ = 9 + 9√3i
  • z₂ = 2 + √3i

<u>To find</u>

  • z₂ - z₁

<u>Solution</u>

  • z₂ - z₁  =
  • 2 + √3i - (9 + 9√3i) =
  • 2 - 9 + √3i - 9√3i =
  • -7 + (1 - 9)√3i =
  • -7 - 8√3i

Second option is correct (you have selected it right)

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