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For the values y = 1, 4, 9, 16 at equally spaced x, what is the second forward difference Δ²y₀ ?

1153Medium DSSSB TGT Computer Science 0 replies 1 views
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For the values y = 1, 4, 9, 16 at equally spaced x, what is the second forward difference Δ²y₀ ?

  • A5
  • B3
  • C2
  • D6
Correct answer: C

Explanation

The first differences are 3, 5, 7; the second differences are 2, 2, so Δ²y₀ = 2.
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