CBSE Guess > Papers > Question Papers > Class XII > 2006 > Mathematics > Delhi Set - III. Mathematics — 2006 (Set III — Delhi) SECTION - A Q. 1. Q. 2. Solve the following differential equation: Q. 3. Q. 4. Using properties of determinants, prove the following: Q. 9. Q. 10. Q. 16. Using matrices, solve the following system of equations: SECTION - B Q. 25. Two unlike parallel forces act at A and B respectively. If are both increased by x, show that the resultant will move through a distance SECTION – C Q. 25. A person buys a house for which he agrees to pay Rs. 5,000 at the end of each month for 8 years. If money is worth 15% per annum, compounded monthly, find the cash price of the house. [Use (1.0125)-96 = 0.31681]
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