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21 March, 05:26

Find the possible value or values of n in the quadratic equation 2n2 - 7n + 6 = 0. A. n = - 2, n = - 32 B. n = 32, n = 2 C. n = 6, n = 0 D. n = 1, n = 3

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  1. 21 March, 08:42
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    B. n = 3/2, n = 2.

    Step-by-step explanation:

    2n^2 - 7n + 6 = 0

    Use the ac method:-

    2 * 6 = 12, We need 2 numbers whose product is 12 and whose sum = - 7.

    They are - 3 and - 4, so we write:-

    2n^2 - 4n - 3n + 6 = 0

    2n (n - 2) - 3 (n - 2) = 0

    (2n - 3) (n - 2) = 0

    n = 3/2, 2.
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