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30 August, 15:48

A sequence is defined by the equation a1=50 and an=an-1 + (-4) what is term a5?

41

46

30

34

+2
Answers (1)
  1. 30 August, 15:57
    0
    Step-by-step explanation:

    an=an-1 + (-4)

    a2 = a1 + (-4) = 50 - 4 = 46

    a3 = a2 - 4 = 46 - 4 = 42

    a4 = a3 - 4 = 42 - 4 = 38

    a5 = a4 - 4 = 38 - 4 = 34
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