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p and q are complex numbers such that |p|=3/4x+2 , |q|=2x+1 , and |p+q|=2/3x−2 .

On what interval must x fall on?

  • [−83,−135]
  • [−83,−12]
  • [3,∞)
  • (−∞,−135]
 Apr 12, 2020
 #1
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The answer is (-inf,-135].

 Apr 12, 2020
 #2
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As follows:

 

 Apr 12, 2020

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