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Mathematics, 22.10.2019 19:30 seanjung1128

Which of the following equations demonstrate that the set of polynomials is
not closed under the certain operations?
o
a. multiplication: (x2 -5x+3)(x - 5) - x° -10+20% - 15
o b. subtraction: 6x4+x®) - (-2x* + xº) - 54
o c. addition: (x2 + x) + (x + 1) = x2 + 2x + 1
o d. division: (x2-5x+ - 2) =x-3+ -3/x-2

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