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Unless stated otherwise, inequalities in that chapter are solved over the set of:
AReal numbers
BPrime numbers
CEven numbers
DSquare numbers
Answer & Solution
Correct answer: A. Real numbers
1. Natural numbers and integers were used in early examples.
2. The default set is wider.
3. It is the real numbers.
_Source: NCERT Class 11 Mathematics, Chapter 6, Linear Inequalities._
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