anonymous
  • anonymous
How would i Simplify 7+i / 2-2i (Complex Numbers)
Mathematics
  • Stacey Warren - Expert brainly.com
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SOLVED
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jamiebookeater
  • jamiebookeater
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ivettef365
  • ivettef365
You have 7+i 2+2i ----- . ------- 2-2i 2+2i
anonymous
  • anonymous
Then i would now just combine like terms and foil correct?
ivettef365
  • ivettef365
right and remember that i^2 = -1

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anonymous
  • anonymous
ok Thakns!
ivettef365
  • ivettef365
Like when you multiply (2-2i)*(2+2i) =4-4i^2 = 4-4(-1) = 4+4 = 8
anonymous
  • anonymous
ok after i have the step tht you just shown here, do i just keep simplifying it down?
anonymous
  • anonymous
Speaking with this in mind: =4-4i^2=4-4(-1)=4+4=8 what is the next step
ivettef365
  • ivettef365
the step I did is the bottom part the top part as follows: (7+i) *(2+2i) 14+14i+2i+2i^2 14 +16i +2(-1) = 16i + 14-2 16i+12
ivettef365
  • ivettef365
Now you have 16i + 12 --- ---- 8 8
ivettef365
  • ivettef365
Now just simplify
anonymous
  • anonymous
16i + 12 ---- ------ 8 8 that wuld be divide each by 8 correct?
anonymous
  • anonymous
if so , after doing tht i got 8i + 1.5 does not seem correct
ivettef365
  • ivettef365
16/8 = 2, so it would be 2i+3/2
anonymous
  • anonymous
Thanks for the help :)
ivettef365
  • ivettef365
your welcome :)

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