Identify the possible rational roots for the equation

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1. Identify the possible rational roots for the equation x4 - 3x2 + 6 = 0.

2. Explain why the Integral Root Theorem is a corollary to the Rational Root Theorem.

3. Write a polynomial function f(x) whose coefficients have three sign changes. Find the number of sign changes that f(x) has. Describe the nature of the zeros.

Reference no: EM131338989

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