So, there you have made a mistake it would have been minus 1 comma minus 1, where as the correct answer is minus 1 plus 1 comma minus 1, which is consistent with the result obtained in the maximum likelihood case, and also with the with the decorrelating case.
वहां आपसे गलती होती, आपको -1,-1 मिलता, जबकी सही उत्तर +1,-1 है, जो अधिकतम संभावना मामले में और डीकोरिलेटिंग रिसीवर में समान है।