Please using the c++ language to solve the following question, thank you

A palindrome is a word, phrase or sequence that reads the same backward as forwards, for example, "bob", "step on no pets". Write a recursive function isPalindrome that takes a string as input and returns true if it is a palindrome, false otherwise. You might find the string:substr useful, which takes two arguments, the first being the start position of the character in the original string to be copied, the second is the length of the substring to be copied, returns the substring. For example: cout