# NCERT Class 11 Mathematics Solutions: Chapter 13 – Limits and Derivatives Miscellaneous Exercise Part 7 (For CBSE, ICSE, IAS, NET, NRA 2023)

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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:

So,

By, first principle

[As ]

2. 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)

By first principle

… eq (2)

Accordingly,

By first principle,

… eq (3)

From eq (1) , (2) and (3)