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Which word marks a factor that cannot break down further?
AIrrelevant
BIrrational
CIrreducible
DIrregular
Answer & Solution
Correct answer: C. Irreducible
1. It is algebra's counterpart to prime.
2. It signals the end of factorising.
3. In algebra we use the word irreducible in place of prime.
4. So the answer is irreducible.
_Source: NCERT Class 8 Mathematics, Ch 12 'Factorisation'_
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