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12x2−(2a−6b)x+ab=012𝑥2-(2𝑎-6𝑏)𝑥+𝑎𝑏=0 In the given equation, a and b are positive constant numbers. The sum of the solutions to the given equation is k(a−3b)𝑘(𝑎-3𝑏), where k is a constant. What is the value of k?

Question

12x2−(2a−6b)x+ab=012𝑥2-(2𝑎-6𝑏)𝑥+𝑎𝑏=0 In the given equation, a and b are positive constant numbers. The sum of the solutions to the given equation is k(a−3b)𝑘(𝑎-3𝑏), where k is a constant. What is the value of k?

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Solution

Para resolver esta ecuación cuadrática, utilizaremos la fórmula general para las ecuaciones de la forma ax2+bx+c=0ax^2 + bx + c = 0, que es:

x=b±b24ac2ax = \frac{-b \pm \sqrt{b^2 - 4ac}}{2a}

Dada la ecuación 12x2(2a6b)x+ab=012x^2 - (2a - 6b)x + ab = 0, identificamos los coeficientes:

  • A=12A = 12
  • B=(2a6b)B = -(2a - 6b)
  • C=abC = ab

La suma de las soluciones de una ecuación cuadrática ax2+bx+c=0ax^2 + bx + c = 0 está dada por ba-\frac{b}{a}.

Aplicamos esto a nuestra ecuación:

[ \text{Suma de las soluciones} = -\frac{B}{A} = -\frac{-(2a - 6b)}{12} = \frac{2a -

This problem has been solved

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