Top network posts

• 29 How does Cramer's rule work?
• 13 Why is the solution to $x-\sqrt 4=0$ not $x=\pm 2$?
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• 10 Constructing two matrices that do not commute
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• 6 How can I prove this trigonometric equation with squares of sines?
• 5 Equation for Distance of the Straight line from the Origin.
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