# NCERT Class 11-Math՚S: Chapter – 13 Limits and Derivatives Part 13 (For CBSE, ICSE, IAS, NET, NRA 2022)

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Question 66:

(A)

(B)

(C)

(D)

Answer: (B)

Question 67:

Let is

(A)

(B)

(C)

(D)

Answer: (B)

Question 68:

If then at is

(A) (1)

(B)

(C)

(D)

Answer: (D)

Question 69:

If then is

(A)

(B)

(C)

(D)

Answer: (A)

Question 70:

If then is

(A)

(B)

(C)

(D)

Answer: (A)

Question 71:

If at is

(A)

(B)

(C)

(D) Does not exist

Answer: (A)

Question 72:

If then at is

(A)

(B)

(C)

(D)

Answer: (A)

Question 73:

If , then is equal to

(A)

(B)

(C) Done not exist

(D)

Answer: (B)

Question 74:

If for some constant ‘a’ then is

(A)

(B)

(C) Does not exist

(D)

Answer: (C)

Question 75:

If , then is equal to

(A)

(B)

(C)

(D)

Answer: (A)

Question 76:

If , then is equal to

(A)

(B)

(C)

(D)

Answer: (D)

## Fill in the Blanks in Exercises 77 to 80

Question 77:

If , then ________

Answer:

Question 78:

then ________

Answer:

Question 79:

If then = ________

Answer:

Question 80:

________

Answer: