Respuesta:
-1
Explicación paso a paso:
mx² + (m+2)x + m - 1 = 0
Donde:
[tex]\frac{1}{x_1} +\frac{1}{x_2} =\frac{1}{2}[/tex]
[tex]\frac{x_1+x_2}{x_1*x_2} =\frac{1}{2}[/tex]
Por propiedad:
x1 + x2 = -b/a
x1 * x2 = c/a
1) x1 + x2 = - (m+2)/m
Luego:
[tex]\frac{\frac{-(m+2)}{m} }{\frac{m-1}{m} } =\frac{1}{2}[/tex]
[tex]\frac{-(m+2)}{m-1} =\frac{1}{2}[/tex]
- 2(m+2) = m - 1
- 2m - 4 = m - 1
2m + 4 = -m + 1
3m = -3
m = -1
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Verified answer
Respuesta:
-1
Explicación paso a paso:
mx² + (m+2)x + m - 1 = 0
Donde:
[tex]\frac{1}{x_1} +\frac{1}{x_2} =\frac{1}{2}[/tex]
[tex]\frac{x_1+x_2}{x_1*x_2} =\frac{1}{2}[/tex]
Por propiedad:
x1 + x2 = -b/a
x1 * x2 = c/a
1) x1 + x2 = - (m+2)/m
Luego:
[tex]\frac{\frac{-(m+2)}{m} }{\frac{m-1}{m} } =\frac{1}{2}[/tex]
[tex]\frac{-(m+2)}{m-1} =\frac{1}{2}[/tex]
- 2(m+2) = m - 1
- 2m - 4 = m - 1
2m + 4 = -m + 1
3m = -3
m = -1