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P(x;y) = 4x^5 y³ - 2x^6 y^7 + 3x^9 y
GA(x,y) = 13
GR(x) = 9
GR(y) = 7
GA + GR(x) + GR(y)
13 + 9 + 7 = 29
2)
G(x;y) = x y^4 - 2x^5 y^6 + 7x^4
GA(x,y) = 11
GR(x) = 4
GR(y) = 6
3)
F(x;y) = x^a + 2y - 3x^4 y²
GA(x,y) = 12
El grado absoluto no puede ser 12, debe ser 6.
4)
P(x;y) = 2x^4 y - 3x y^(a+9)
GA(x,y) = a + 10
GR(x) = 4
GR(y) = 18
a + 9 = 18
a = 18 - 9
a = 9
5)
P(x;y) = 2x^4 y^5 + 3ax y^6 - 2x^4a
GA(x,y) = 9
GR(x) = 4a
GR(y) = 6
Suma de coeficientes = 2 + 3 - 2 = 3