Recursive Solution
Although not the most efficient for this particular problem, a recursive solution demonstrates an important programming concept. This method involves solving the problem by breaking it down into smaller instances of itself.
PHP
<?php function sumOfSquares( $n ) { if ( $n == 1) { return 1; // Base case } else { return $n * $n + sumOfSquares( $n - 1); } } // Driver code $n = 5; echo "Sum of squares of first $n natural numbers is: " . sumOfSquares( $n ); ?> |
Sum of squares of first 5 natural numbers is: 55
PHP Program for Sum of Squares of First N Natural Numbers
Calculating the sum of squares of the first n natural numbers is a common problem in programming, demonstrating the application of mathematical formulas, loops, and PHP functions. This article explores various methods to solve this problem in PHP, providing insights into basic arithmetic operations, iterative solutions, and direct formula application.