Question

Write a program to generate the first 'n' terms of the following series 121, 225, 361,...

Answer 1

Answer:

#include<iostream>

int main ()

{

   int n, a=11, x=4, i=0, num;

   std::cin>>n;

   

for(i=0;i<n;i++)

{

   num=a*a;

   std::cout<<num<<" ";

   a=a+4;

}

}

Answer 2

Answer:

The following Python code will solve the above problem. Just copy and paste the code into any python IDE:

n = int(input())

start = 11

  while(n!=0):

   print(start**2, end=",")

   start +=2

   n-=1

Explanation:

• First, we take the n terms as input from the user.
• we create a start variable with a value of 11.
• The logic of the series is to print the square of odd numbers starting from 11.
• Like square of 11 = 121
• square of 15 = 225
• square of 19 = 191
• Then we start a loop to iterate n number of times.
• ** operator will calculate the square for us without using any math library function.
• the start is incremented by 2 to reach the next odd number
• n is decremented by 1 so that we move to the termination condition of the loop.

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