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The function is .

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Find all zeros of the function by equating f(x) to 0.

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f(x) = 0

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                     (The imaginary unit )

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Extract square roots on each side.

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.

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All zeros of the function are .

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The function is .

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The linear factors of the polynomial are

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So, the polynomial can be written as:

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This is the product of linear factors of the polynomial.

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The zeros of the polynomial are and

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The product of linear factors of the polynomial .

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