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Suppose that R (A) is a polynomial of degree 7 whose coefficients are real numbers. Also, suppose that R (A) has the following zeros. l+r',

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Suppose that R (A) is a polynomial of degree 7 whose coefficients are real numbers. Also, suppose that R (A) has the following zeros. l+r', 21', 45 Answer the following. (a) Find another zero of R (x). D (b) What is the maximum number of real zeros that R (x) can have? D (c) What is the maximum number of nonrea! zeros that R (x) can have? D

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