a)
v(x) = 3x^4 -2x+7
w(x) = -3x^5 + 6x^4 - x^2 - x
v(x) + w(x) =
3x^4 -2x+7-3x^5 + 6x^4 - x^2 - x = -3x^5 + 9x^4 - x^2 -3x +7
b)
v(x) = -x^6 = 2x^4 - x63
w(x) = 1/2x^6 -1/3x^4 +3/4x^3
-x^6 + 2x%4 - x^3 +1/2x^6 -1/;3x^4 +3/4x^3 = -1/2x^6 +1 2/3x^4 -1/4x^3
c)
v(x) = 2x^4 -x-1
w(x) = 6-2x-2x^4 -3x^5
2x^4 -x-1 + 6-2x-2x^4 -3x^5 = -3x^5 -3x + 5
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a)
v(x) = 3x^4 -2x+7
w(x) = -3x^5 + 6x^4 - x^2 - x
v(x) + w(x) =
3x^4 -2x+7-3x^5 + 6x^4 - x^2 - x = -3x^5 + 9x^4 - x^2 -3x +7
b)
v(x) = -x^6 = 2x^4 - x63
w(x) = 1/2x^6 -1/3x^4 +3/4x^3
v(x) + w(x) =
-x^6 + 2x%4 - x^3 +1/2x^6 -1/;3x^4 +3/4x^3 = -1/2x^6 +1 2/3x^4 -1/4x^3
c)
v(x) = 2x^4 -x-1
w(x) = 6-2x-2x^4 -3x^5
v(x) + w(x) =
2x^4 -x-1 + 6-2x-2x^4 -3x^5 = -3x^5 -3x + 5