| 1 |
If α, ß are complex cube roots of unity, then 1 + α<sup>n</sup> + ß<sup>n</sup> = .......... where n is a positive integer divisible by 3: |
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| 2 |
Synthetic division is a process of: |
- A. division
- B. subtraction
- C. addition
- D. multiplication
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| 3 |
If 4<sup>x</sup> = 2, then x equals: |
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| 4 |
Which one is exponential equation: |
- A. ax<sup>2</sup> + bx + c = 0
- B. ax + b = 0
- C.
- D. 2<sup>x</sup> = 16
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| 5 |
No. of ways of solving a quadratic equation: |
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| 6 |
The roots of the equation: |
- A. complex
- B. irrational
- C. rational
- D. none of these
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| 7 |
If the sum of the roots of the equation kx<sup>2</sup> - 2x + 2k = 0 is equal to their product, then the value of k is: |
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| 8 |
Four fourth roots of 625 are: |
- A. ±5,±5i
- B. ±5,±25i
- C. ±25,±25i
- D. none of these
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| 9 |
If the Discriminant of a quadratic equation is a perfect square, then roots are: |
- A. real and equal
- B. complex
- C. rational
- D. irrational
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| 10 |
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