Question

Write a computer program to print to find the sum ;
when,
1. sum = x+2x^2+3x^3+4x^4+....
2.sum = x+2/x+3/2x+4/3x+....
3. sum= 1-2+3-4+5-6....
Write three individual programs.
please I need it fast...
​

Answer 1

Answer:

sum = sum1

a = int(sum1)

print(a)