CHAPTER 7. POLYNOMIAL ROOTS PARTI7.1.1 For what values of a is x + 2 a factor of x4 2x3+ax2 - ax +7?ow can we quickly tell that x - 1 is a facto of xx4 - 7x3 +2x2 - 2 without performing the longdivision?7.1.3Let f(x) = 6x4 + 19x3-36x2-49x + 60. One root of f(x) is-5/3. Find all four roots of f(x).7.1.4 Suppose fCx) and gx) are polynomials such that f(e) (r-)(). Is it true that q(x)f(x) = 0?0 whenever7.1.5 The polynomial p/x) 3x-20+ k + 12 is divisible by x -3 for some constant k. Factor p:)completely7.2 Integer Roots

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Asked Mar 1, 2019
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Question 7.1.3

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Step 1

The first factor is already given. Use synthetic division in order to find the partially factored f(x).

Step 2

For more real roots, try placing more numbers in the cubic part g(x) of the partially factored f(x). Place x=1 and see

Step 3

Use synthetic division in order to fi...

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