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11-19-2008, 05:10 PM
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The number 8 - 5i is a zero of multiplicity 4 of the polynomial function g(x), which has real coefficients. What is the minimum possible degree of g(x)? |
11-19-2008, 05:58 PM
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Quote:
Originally Posted by live_laugh_luv27  The number 8 - 5i is a zero of multiplicity 4 of the polynomial function g(x), which has real coefficients. What is the minimum possible degree of g(x)? | note that if 8 - 5i is a zero, then 8 + 5i is a zero (of the same multiplicity). so what do you think the answer is?
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11-19-2008, 05:59 PM
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Quote:
Originally Posted by Jhevon note that if 8 - 5i is a zero, then 8 + 5i is a zero (of the same multiplicity). so what do you think the answer is? |
4? |
11-19-2008, 06:13 PM
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Quote:
Originally Posted by live_laugh_luv27 4? | do you know what "zeros" mean?
the polynomial function has AT LEAST the following factors 
thus ...
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