Question

Print the sum of power series(1+x+x^2+x^3+......+x^n) in C++ without using cmath library.

Answer 1

i hope you expect to define n. otherwise it will not be able to finish

Answer 2

you could use recursion
1 define your base case.
2 then define your recursive statement
use conditional statements

Answer 3

You can write a small function to substitute for math.pow() and the exponent is a for loop from 0...n .