joshoyen
  • joshoyen
Simplify. 1+9i / -7-6i
Mathematics
  • Stacey Warren - Expert brainly.com
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SOLVED
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katieb
  • katieb
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WolframWizard
  • WolframWizard
Multiply the numerator and the denominator by the conjugate of the denominator. The conjugate of a+b is a-b just in case you didn't know.
joshoyen
  • joshoyen
So the conjugate is -7+6i?
WolframWizard
  • WolframWizard
Yes

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joshoyen
  • joshoyen
I got -61-66i/85
WolframWizard
  • WolframWizard
The -61 and 85 are correct but the -66 should be -57. Check your work to see if you made a calculation error somewhere
joshoyen
  • joshoyen
okay thank you!

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