Let \( A \) be a set of \( n(\geq 3) \) distinct elements. The number of triplets \( (x, y, z) \... VIDEO
Let \( A \) be a set of \( n(\geq 3) \) distinct elements. The number of triplets \( (x, y, z) \) of the elements of \( A \) in which at least two coordinates are equal tohttps://bit.ly/YTAI_PWAP https://www.pw.live
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