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jay
jay asked in Science & MathematicsMathematics · 8 years ago

1 over 2-i is equivalent to?

A)-2-i

B) 2+i

C) 2+i over 3

D) 2+i over 5

10 points please explain

3 Answers

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  • Anonymous
    8 years ago
    Favorite Answer

    multiply and divide to the conjugate of 2-i

  • billrussell42
    Lv 7
    8 years ago

    1 / (2–i)

    multiply by (2+i) / (2+i)

    (2+i) / (4–t²)

    (2+i) / (5)

  • Bullwinkle
    Lv 7
    8 years ago

    [1 / (2 - i)] * [(2 + i) / (2 + i)] = (2 + i) / (4 - i^2) = (2 + i) / 5

    conjugate !!

    euclid

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