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A number like root 2, which cannot be written as a ratio of integers, is described as:

AIrreducible
BIrrational
CIrregular
DIrrelevant
Answer & Solution
Correct answer: B. Irrational
1. Rational numbers are ratios of integers. 2. This one is not. 3. It is irrational. _Source: syllabus Mathematics, Chapter 1, Real Numbers._
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