C# Sharp Exercises: Calculate n terms of square natural number and their sum
C# Sharp For Loop: Exercise-25 with Solution
Write a program in C# Sharp to display the n terms of square natural number and their sum.
The series is as below:
Sample Solution:-
C# Sharp Code:
using System;
public class Exercise25
{
public static void Main()
{
int i,n,sum=0;
Console.Write("\n\n");
Console.Write("Calculate n terms of square natural number and their sum:\n");
Console.Write("-----------------------------------------------------------");
Console.Write("\n\n");
Console.Write("Input the number of terms : ");
n= Convert.ToInt32(Console.ReadLine());
Console.Write("\nThe square natural upto {0} terms are :",n);
for(i=1;i<=n;i++)
{
Console.Write("{0} ",i*i);
sum+=i*i;
}
Console.Write("\nThe Sum of Square Natural Number upto {0} terms = {1} \n",n,sum);
}
}
Sample Output:
Calculate n terms of square natural number and their sum: ----------------------------------------------------------- Input the number of terms : 10 The square natural upto 10 terms are :1 4 9 16 25 36 49 64 81 100 The Sum of Square Natural Number upto 10 terms = 385
Flowchart:
C# Sharp Code Editor:
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Previous: Write a program in C# Sharp to find the sum of the series [ x - x^3 + x^5 - x^7 + x^9 -.....].
Next: Write a program in C# Sharp to find the sum of the series 1 +11 + 111 + 1111 + .. n terms.
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