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Two things this chain introduces beside continuity are differentiability and:
AOld equations
BFixed integers
CRandom numbers
DNew functions
Answer & Solution
Correct answer: D. New functions
1. The opening lists the ideas to be covered.
2. Exponential and logarithmic functions come in as well.
3. So it introduces a new class of functions.
4. The answer is new functions.
_Source: NCERT Class 12 Mathematics, Ch 5 'Continuity and Differentiability'_
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