Fill in the Blanks
Q.1.
then A = ......., B = ....... and C = ....... (1990 - 2 Marks)
Ans. 
Solutions.


can have any real value.
Subjective Problems
Q. 1.
(1978)
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Solutions.


Q. 2.
(1979)
Ans. 
Solutions.


Q. 3.
(1981 - 2 Marks)
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Solutions.


Q. 4.
(1983 - 2 Marks)
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Solutions.


Q. 5. Evaluate the following
(1984 - 2 Marks)
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Solutions.


Q. 6. Evaluate the following
(1985 - 2½ Marks)
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Solutions.




Q. 7.
(1987 - 6 Marks)
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Solutions.



Q. 8.
(1989 - 3 Marks)
Ans. 
Solutions.

Put sin x - cos x = t ⇒ (cos x + sin x) dx = dt also (sin x - cos x)2 = t2 ⇒ 1 - sin 2x = t2\



Q. 9. Find the indefinite integral
(1992 - 4 Marks)
Ans.

Solutions.

















Thus we get the value of I on substituting the values of I1 and I2 from (2) and (3) in equation (1).
Q. 10. Find the indefinite integral
(1994 - 5 Marks)
Ans. 
Solutions.


∴ Integrating I with respect to θ, by parts we get

Q. 11.
(1996 - 2 Marks)
Ans. 
Solutions.


Q. 12. Integrate
(1999 - 5 Marks)
Ans. 
Solutions.

Comparing and solving, we get,





where C is constant of integration.
Q. 13.
(2001 - 5 Marks)
Ans. 
Solutions.








Q. 14. For any natural number m, evaluate
(2002 - 5 Marks)
Ans. 
Solutions.



