1 questions:: write a function in c# that takes a sentence string as a parameter and return stringsthe order of word reverse. for ex- this is a sentebce, sentence a is this. 2 questions:: write a function that takes a sorted array of integers of length N and return an array of integers that has the no. that have duplicates in the original array. Input array[1,2,2,4,7,7,9] Return array[2,7]