Respuesta:
C.S = {-8; 2}
Buen día.
Explicación paso a paso:
(1/2)X^2 + 5X + 8 = 0
Por la fórmula general:
ax^2 + bX + C = 0
X(1;2) = {-b +- |/´´[b^2 - 4(a × c)]}/(2a)
X(1;2) = {-5 +- |/´´{5^2 - 4[(1/2) × 8]}}/(2(1/2))
X(1;2) = {-5 +- |/´´[25 - 4(4)]}/(1)
X(1;2) = [-5 +- |/´´(25 - 16)]
X(1;2) = -5 +- |/´´(9)
X(1;2) = -5 +- 3
X(1) = -5 + 3; X(2) = -5 - 3
X(1) = 2; X(2) = -8
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Respuesta:
C.S = {-8; 2}
Buen día.
Explicación paso a paso:
(1/2)X^2 + 5X + 8 = 0
Por la fórmula general:
ax^2 + bX + C = 0
X(1;2) = {-b +- |/´´[b^2 - 4(a × c)]}/(2a)
X(1;2) = {-5 +- |/´´{5^2 - 4[(1/2) × 8]}}/(2(1/2))
X(1;2) = {-5 +- |/´´[25 - 4(4)]}/(1)
X(1;2) = [-5 +- |/´´(25 - 16)]
X(1;2) = -5 +- |/´´(9)
X(1;2) = -5 +- 3
X(1) = -5 + 3; X(2) = -5 - 3
X(1) = 2; X(2) = -8
C.S = {-8; 2}