TRB MODEL QUESTIONS FOR MATHS
31. |
Number of divisors of 729 is |
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32. |
If n is any integer then ( cosΘ + i sin Θ )n is |
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- A. cos nΘ – i sin nΘ
- B. cos nΘ + i sin nΘ
- C. sin nΘ – i cos nΘ
- D. sin nΘ + i cos nΘ
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33. |
The area bounded by the curve x = log y, then x axis and the y axis is |
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34. |
The area between the curve y2 = 9x and the straight line y = x is |
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- A. 13.5 square units
- B. 14.5 square units
- C. 10.5 square units
- D. 15.5 square units
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35. |
The angle between the asympotes of the hyberbola 24x2 - 8y2 = 27 is |
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- A. 30°
- B. 45°
- C. 60°
- D. 90°
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