Question: Draw the recursion tree when n = 1 2 , where n represents the length of the array, for the following recursive method: int sumSquares

Draw the recursion tree when n =12, where n represents the length of the array, for the following recursive method:
int sumSquares(int[] array, int first, int last){
if (first == last)
return array[first]* array[first];
int mid =(first + last)/2;
return sumSquares(array, first, mid)+
sumSquares(array, mid +1, last);
}

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