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NCERT Class 12- Mathematics: Exemplar Chapter β 7 Integrals Part 6
Question 23:
is equal to
(A)
(B)
(C)
(D)
Answer:
(B) Is the correct answer?
Since by putting , we get
Question 24:
If and g are continuous functions in satisfying and , then is equal to
(A)
(B)
(C)
(D)
Answer:
B is the correct answer. Since
Or
Question 25:
If , then a is equal to
(A)
(B)
(C)
(D)
Answer:
(C) is the correct answer, since which gives
Question 26:
(A)
(B)
(C)
(D)
Answer:
(B) is the correct answer, since
Question 27:
(A)
(B)
(C)
(D)
Answer:
(B) Is the correct answer, since
Therefore,