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• 69 Why does cancelling change this equation?
• 17 Examples for subspace of a normal space which is not normal
• 14 Solve the following equation: $\sqrt {x + \sqrt {4x + \sqrt {16x + \sqrt {64x + 5}}}} - \sqrt x= 1$
• 13 Irreducibility of $f(x)=x^4+3x^3-9x^2+7x+27$
• 12 Is every subset of a metric space a metric subspace?
• 12 WP REST API: filter by category 1 AND category 2
• 11 Calculate $\sqrt{\frac{1}{2}} \times \sqrt{\frac{1}{2} + \frac{1}{2}\sqrt{\frac{1}{2}}} \times \ldots $
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