Sum of the Series 1 + x / 1 + x ^ 2 / 2 + x ^ 3 / 3 + . . + x ^ n / n | code to print the sum of the series ; Driver code
< ? php function sum ( $ x , $ n ) { $ i ; $ total = 1.0 ; $ multi = $ x ; for ( $ i = 1 ; $ i <= $ n ; $ i ++ ) { $ total = $ total + $ multi / $ i ; $ multi = $ multi * $ x ; } return $ total ; } $ x = 2 ; $ n = 5 ; echo ( sum ( $ x , $ n ) ) ; ? >