A zero determinant means your equations lack a unique solution, but as a data scientist, I see it not as a failure, but as a sign of perfect multicollinearity—a profound clue about your variables. In our elder centre's adda, the same stories told from different angles give no new truth, just infinite retellings. So I say it usually means infinitely many solutions, or sometimes none, like our roof leaks: the problem isn't the rain, but the structure itself.
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