Please slove the problem,Don"t take from internet otherwise i will get zero.

Question

Write a recursive function that find the sum of the following series.

1 + 1/2 + 1/4 + 1/8 + ... + 1/2ⁿ

Answer 1

y(0) =1

y(n) = y(n-1) + 1/2ⁿ