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Bleck3

  • 3 years ago

Write a linear factorization of the function. f(x) = x4+ 9x2 f(x) = x2(x + 3i)(x - 3i) f(x) = x2(x + 3i)2 f(x) = x2(3x + i)(3x - i) f(x) = x2(3x + i)

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  1. Bleck3
    • 3 years ago
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    f(x) = x2(3x + i)^2

  2. inkyvoyd
    • 3 years ago
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    Here's a hint: (a^2+b^2)=(a+bi)(a-bi) hint hint.

  3. Bleck3
    • 3 years ago
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    (3x+i)(3x-i)

  4. inkyvoyd
    • 3 years ago
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    Nope.

  5. inkyvoyd
    • 3 years ago
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    Lemme rewrite it. \(\Huge (x^{2})^{2}+(3x)^2\) hinty hint.

  6. Bleck3
    • 3 years ago
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    i dont understand @inkyvoyd how can you get an answer i think its f(x) = x2(3x + i)(3x - i)

  7. Bleck3
    • 3 years ago
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    f(x) = x2(x + 3i)2 i think this @inkyvoyd

  8. inkyvoyd
    • 3 years ago
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    Well \(\Huge (x^{2})^{2}+(3x)^2\) \(\huge\text{a=}x^2\text{b=}3x\)

  9. inkyvoyd
    • 3 years ago
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    \(\Huge a^2+b^2=(a+bi)(a-bi)\)

  10. Bleck3
    • 3 years ago
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    f(x) = x2(x + 3i)(x - 3i) ohhhhhhhhhhh @inkyvoyd lol

  11. inkyvoyd
    • 3 years ago
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    Yup.

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