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Which new class of functions does this chain introduce?
ARational and root
BConstant and step
CExponential and log
DCircular and wave
Answer & Solution
Correct answer: C. Exponential and log
1. Beyond continuity, new functions are needed for differentiation.
2. Two related families are brought in together.
3. They are the exponential and logarithmic functions.
4. So the answer is exponential and log.
_Source: NCERT Class 12 Mathematics, Ch 5 'Continuity and Differentiability'_
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