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Euclid's division lemma was first recorded in which book of Euclid's Elements?

ABook VII
BBook I
CBook IX
DBook XIII
Answer & Solution
Correct answer: A. Book VII
1. The result was known long before. 2. It appears in Book VII. 3. Euclid's algorithm is based on it. _Source: syllabus Mathematics, Chapter 1, Real Numbers._
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