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30 March, 18:44

The difference between the roots of the quadratic equation x^2-12x+q=0 is 2. Find q.

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  1. 30 March, 19:30
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    The required value of q is 35.

    Step-by-step explanation:

    Let α and β are the zeros of quadratic equation, x^2-12x+q=0.

    It is given that difference between the roots of the quadratic equation x^2-12x+q=0 is 2.

    Equation : α - β = 2

    Equation : α + β = 12

    Equation : αβ = q

    We have to create an algebraic expression.

    (a+b) ² = (a-b) ² + 4ab

    (12) ² = (2) ² + 4q

    144 = 4 + 4q

    144 - 4 = 4q

    140=4q

    q = 140/4

    q = 35

    Therefore, the required value of q is 35.

    Some information about zeroes of quadratic equation.

    Sum of zeroes = - b/a Product of Zeroes = c/a
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