MARKING SCHEME (PRACTICE PAPER- 2)

PART – A SECTION – I

1. {(1, 1), (2, 2), (3, 3), (4, 4)} OR 1

2. R = R-1

3. 2 OR 60

4. 2 , 4

5. I OR Null Matrix

6. 32

7. xe sec x C OR tan x secx C

8. 2 sq units

9. cot x OR 3

10. ^ ^ ^

4 i 2 j 4 k

11. 5/2

12. 2

13. 3 4 6

, ,55 55 55

14. 14

15. 0.75

16. 1/8

SECTION II

17. (i) B (ii) C (iii) D (iv) A (v) B

18. (i) D (ii) C (iii) B (iv) D (v) A

PART – B SECTION III

SECTION IV

2 1 x 1y(x 1) log C

2 x 1

SECTION – V

36.

OR

37.

OR.

38.

OR