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An iterative formula is shown below.

Xₙ₊₁ = 3/4xₙ₋₁
Work out the values of x₂, x₃ and x₄, starting
with x₁ = 2.

User Gyonder
by
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1 Answer

3 votes

Final answer:

The values of x₂, x₃, and x₄ in the iterative sequence starting with x₁ = 2 are 1.5, 1.125, and 0.84375 respectively, found by multiplying each preceding term by three-quarters.

Step-by-step explanation:

The iterative formula given is X₍n+1₎ = ¾X₍n−1₎, and we are asked to find the values of x₂, x₃, and x₄, given that x₁ = 2. Since the formula states that each term in the sequence is three-quarters of the previous term, we can work this out step by step:

  1. x₂ = ¾ × x₁ = ¾ × 2 = 1.5
  2. x₃ = ¾ × x₂ = ¾ × 1.5 = 1.125
  3. x₄ = ¾ × x₃ = ¾ × 1.125 = 0.84375

Therefore, the values required are x₂ = 1.5, x₃ = 1.125, and x₄ = 0.84375.

User Nasi
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