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If a1 = 7 and an = An-1 – 3 then find the value of a4.
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If a1 = 7 and an = An-1 – 3 then find the value of a4.

User Jemi Salo
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1 Answer

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Final answer:

The value of a4 is -2.

Step-by-step explanation:

To find the value of a4, we can use the given formula: an = an-1 - 3.

Starting with a1 = 7, we can find a2, a3, and finally a4 by substituting the previous values into the formula:

  1. a2 = a1 - 3 = 7 - 3 = 4
  2. a3 = a2 - 3 = 4 - 3 = 1
  3. a4 = a3 - 3 = 1 - 3 = -2

Therefore, the value of a4 is -2.

User Izkata
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