NCERT Class 11-Math՚s: Chapter – 13 Limits and Derivatives Part 4 (For CBSE, ICSE, IAS, NET, NRA 2023)
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Question 17:
Evaluate
Answer:
We have
Question 18:
Evaluate
Answer: We have
Question 19:
Find the derivative of , by first principle.
Answer:
We have
Question 20:
Find the derivative of by first principle.
Answer: By definition
Question 21:
Find the derivative of
Answer:
Let
Differentiating both sides with respects to , we get