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Questions › JNU › JNU SSS 2011 › Q7
1 mark, −0.25Mathematics › Real analysis › Metric spaces and normsModerateabout 2 min

JNU SSS 2011 Question 7: Real analysis

Suppose we know that ∣a∣<3|a| < 3∣a∣<3. Which of the following conditions is enough to imply that ∣b∣<5|b| < 5∣b∣<5?

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Suppose we know that |a| < 3. Which of the following conditions is enough to imply that |b| < 5? (A) |a + b| < 8 (B) 2 < |a - b| < 8 (C) |a - b| ≤ 2 (D) 3 < |a - b| < 5

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What this question tests

This question is on Metric spaces and norms, part of Real analysis in Mathematics.

Distance functions and the properties that make them a metric.

TestStop has 5 past-paper questions on this subtopic.

Practise Real analysisMore on Metric spaces and norms

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