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itsmichelle29

  • one year ago

Simplify

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  1. itsmichelle29
    • one year ago
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    |dw:1436207258829:dw|

  2. itsmichelle29
    • one year ago
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    I give medals and fan thanks

  3. imqwerty
    • one year ago
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    (-4)^1/2 = 2i and (5+2i)-(3-4i) =5+2i-3+4i = 2+6i so now we have = 2i/(2+6i) =i/(1+3i)

  4. itsmichelle29
    • one year ago
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    the answers are 3+i/10 3-i/10 3+i/8 3-i/8

  5. itsmichelle29
    • one year ago
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    @imqwerty

  6. imqwerty
    • one year ago
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    is the first option - (3+i)/10

  7. itsmichelle29
    • one year ago
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    r u sure

  8. imqwerty
    • one year ago
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    yes the answer is the 1st option

  9. itsmichelle29
    • one year ago
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    okay thanks

  10. imqwerty
    • one year ago
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    see we got the answer i/(1+3i) multiplying and dividing it by (1-3i) we get - i/(1+3i) * (1-3i)/(1-3i) doing the calculations we get (i-(3i)^2)/(1-(3i)^2) =(i+3)/10

  11. itsmichelle29
    • one year ago
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    Thanks for explaining

  12. imqwerty
    • one year ago
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    u r welcome :)

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spraguer (Moderator)
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