NJC Inequalities Tutorial Q4

NJC Inequalities Tutorial Q4

Tutorial

Solve the following inequalities

  1. \(\left| x-\frac{2}{x} \right|<2\), where \(x\in \mathbb{R}\) and \(x\ne 0\), without the use of calculator.
  2. \(\frac{1}{{{\left( x-1 \right)}^{2}}}\ge \left| 3x-5 \right|\), graphically.

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Finding similar questions...
Answer:(a) -√(4+2√3) < x < -√(4-2√3) or √(4-2√3) < x < √(4+2√3); (b) 0.472 ≤ x ≤ 2, x ≠ 1

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