2punis
which of the following equations demonstrate that the set of polynomials is
not closed under the certain operations?
o a. division: (x2 –5x+3)=(x-2) = x-3+ -32
o
o
o
b. subtraction: 3x4 + x? ) - (-2x4 + x) = 5x4
c. multiplication: (x2 - 5x+3)(x - 5) = x2 - 10x2 +28x - 15
d. addition: (x2 + x) + (x + 1) = x2 + 2x+ 1