Posted by merx on Friday, November 12, 2010 at 2:30am.
a. Y1 + Y2 =( X^2 + 3X - 1) + (X - 5),
X^2 + 3X - 1 + X - 5,
X^2 +4X - 6.
b. Y1 - Y2 = (X^2 + 3X - 1) -(X - 5),
X^2 + 3X - 1 -X + 5,
X^2 + 2X + 4,
c. Y1 * Y2 = (X^2 + 2X + 4) (X - 5),
X^3 + 3X^2 - X - 5X^2 - 15X + 5,
X^3 - 2X^2 - 16X + 5
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