Question

Write a program in java to print series: 1, (1+2), (1+2+3)...n terms

Answer 1

We can get desired sum using below code

int n = 10;

int sum=0;

int prev = 1;

for(int i=1; i<=n; i++) {

sum += prev;

prev += prev * i;

prev += prev * i;

System. out. println(sum);

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Answer 2

Explanation:

the answer is in the attached file

hope it helps you