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p(x) = 1/x^2 - 4
q(x) = (x-2)
Suma:
p(x)+q(x) =
1/x^2 - 4 +(x-2) =
1/x^2 - 4 +x -2
Resta
p(x)+q(x) =
1/x^2 - 4 -(x-2) =
1/x^2 - 4 -x +2 =
1/x^2 - 2 -x
Multiplicación
p(x)*q(x) =
(1/x^2 - 4 )*(x-2) =
x/x^2 - 2/x^2 - 4x +8 =
1/x - 2/x^2 - 4x + 8
División me falta :(