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SEAMO 2027 - Paper D - SET 04 - Self-study Question 8

SEAMO · SEAMO 2027 - Paper D - SET 04 - Self-study

Question 8

Evaluate
$$\frac12+\frac24+\frac38+\frac4{16}+\cdots+\frac8{2^8}.$$
  1. $\frac{249}{128}$
  2. $\frac{251}{128}$
  3. $\frac{449}{256}$
  4. $\frac{551}{256}$
  5. None of the above