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iwanttogotostanford

  • one year ago

Which of the following is a conjugate for −10 + 3i?

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  1. jim_thompson5910
    • one year ago
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    The conjugate of a+bi is a-bi example: the conjugate of 7+4i is 7-4i

  2. iwanttogotostanford
    • one year ago
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    so it would be -10+3i?

  3. jim_thompson5910
    • one year ago
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    that's already given to you

  4. iwanttogotostanford
    • one year ago
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    so it would be 3i+10

  5. jim_thompson5910
    • one year ago
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    |dw:1440198139626:dw|

  6. iwanttogotostanford
    • one year ago
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    3i-10?

  7. jim_thompson5910
    • one year ago
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    |dw:1440198169353:dw|

  8. jim_thompson5910
    • one year ago
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    |dw:1440198199106:dw|

  9. iwanttogotostanford
    • one year ago
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    so -10-3i

  10. jim_thompson5910
    • one year ago
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    yes the + between the terms changes to a - (or vice versa)

  11. jim_thompson5910
    • one year ago
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    another example: the conjugate of 8-10i is 8+10i

  12. iwanttogotostanford
    • one year ago
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    ok, thanks for the explanation!

  13. jim_thompson5910
    • one year ago
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    no problem

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