0580/11 May/Jun 2021, Question 19: Irrational Numbers
Cambridge IGCSE Mathematics 0580 · Paper 11 (Core) · Calculator · 1 mark
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The question, in short
Give an irrational value of n lying between 31 and 32.
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Solution · 1 mark
- 131² = 961 and 32² = 1024
- 2Any non-square between them gives an irrational square root, e.g. n = √1000 = 31.62…
- 3n = √1000
AnswerAn irrational number satisfying inequality
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