Question

WAP in java to print series:
a. 1, (1+2), (1+2+3)...n terms
b. 1-4+7-10…-40

Answer 1

Answer:

hello

Explanation:

a)int n = 10;

int sum=0;

int prev = 1;

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

   sum += prev;

   prev += prev * i;

}

System.out.println(sum);

b)a = 1

while a<=40:

     if a%2==0:

          print(-a, end=' ')

     else:

          print(a,end=' ')

      a=a+3

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