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5 February, 03:34

If f (1)

2 and f (n) = - 5f (n - 1) then find the value of f (4).

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Answers (1)
  1. 5 February, 03:43
    0
    f (4) = - 250

    Step-by-step explanation:

    Using the recursive formula and f (1) = 2, then

    f (2) = - 5f (1) = - 5 (2) = - 10

    f (3) = - 5f (2) = - 5 ( - 10) = 50

    f (4) = - 5f (3) = - 5 (50) = - 250
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