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Limit Point and Closure
Definition of Limit Point In Real analysis: Let \(S\) \(\in\) \(\mathbb{R}\) be any set, and let \(x\) \(\in\…
Why does a negative times a negative equal a positive?
Why minus multiply minus equal to positive number ? This simple mathematical question has indeed a profound thinking…
Repeated Roots & Derivatives
we know, real roots are governed by the intersection of any real function with the \(x\)-axis. But, how do we know w…