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2.4E: Idadi tata (Mazoezi)

  • Page ID
    178106
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    Kwa mazoezi yafuatayo, tumia equation ya quadratic kutatua.

    26. \(x^{2}-5 x+9=0\)
    27. \(2 x^{2}+3 x+7=0\)

    Kwa mazoezi yafuatayo, jina la sehemu ya usawa na sehemu ya wima.

    28. \(4-3 i\)
    29. \(-2-i\)

    Kwa mazoezi yafuatayo, fanya shughuli zilizoonyeshwa.

    30. \((9-i)-(4-7 i)\)
    31. \((2+3 i)-(-5-8 i)\)
    32. \(2 \sqrt{-75}+3 \sqrt{25}\)
    33. \(\sqrt{-16}+4 \sqrt{-9}\)
    34. \(-6 i(i-5)\)
    35. \((3-5 i)^{2}\)
    36. \(\sqrt{-4} \cdot \sqrt{-12}\)
    37. \(\sqrt{-2}(\sqrt{-8}-\sqrt{5})\)
    38. \(\frac{2}{5-3 i}\)
    39. \(\frac{3+7 i}{i}\)