Question: 1 . Let A be an array of n distinct elements. If i < j and A [ i ] > A [ j ]

1. Let A be an array of n distinct elements. If i < j and A[i]> A[j] then the pair (i, j) is called an inversion of A. Using the concept of inversions, show that the average case time complexity of insertion sort is (n2). Again, you may look at any source for help, but you may not copy from any source. And please cite your source.

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