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16 August, 09:57

If a=2, b = - 1, c = - 3 and d = - 2 find:

1/2bc-6ac+2ab

1/4 (ac) ² + 1/6ac

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Answers (1)
  1. 16 August, 10:03
    0
    34

    8

    Step-by-step explanation:

    1/2bc - 6ac + 2ab

    (1/2) (-1) (-3) - (6) (2) (-3) + (2) (2) (-1)

    (1/2) (4) - (-36) + (-4)

    2 + 36 - 4

    34

    1/4 (ac) ² + 1/6ac

    (1/4) [ (2) (-3) ]² + (1/6) (2) (-3)

    (1/4) (-6) ² + (1/6) (-6)

    (1/4) (36) + (-1)

    9 - 1

    8
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