# NCERT Class 11 Mathematics Solutions: Chapter 13 –Limits and Derivatives Miscellaneous Exercise Part 12

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1. Find the derivative of the following functions (it is to be understood that are fixed non-zero constants and are integers):

Answer:

By product rule,

……………….eq (1)

Accordingly,

By first principle,

…………….eq (2)

So, from equation from (1) and (2)