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Determine the different possibilities for the numbers of positive, negative, and nonreal complex zeros for the following func
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Answer #1

f(x) = - 4x3 +8x? 4x -9 using Dccarts Rule for positive Roots 4x3 + 8x? 4 x f(+ x) S 2 = 2 Number of of sign change thercareUsing decarts decarts Ro Rule, for negative Roots fEx) = + 4x3 + 8x² + 4x - 5 ; because complex Number of Sign change = 1 Nog

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