1 |
Complex roots of real quadratic equation always occur in: |
- A. conjugate pair
- B. ordered pair
- C. reciprocal pair
- D. none of these
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2 |
One of the roots of the equation 3x2 + 2x + k = 0 is the reciprocal of the other, then k = ...............: |
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3 |
The roots of the equation: |
- A. complex
- B. irrational
- C. rational
- D. none of these
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4 |
If P(x) is a polynomial of degree m and Q(x) is a polynomial of degree n, the product P(x) . Q(x) will be a polynomial of degree: |
- A. m . n
- B. m - n
- C. m + n
- D. m × n
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5 |
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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6 |
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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7 |
Solution set of the simultaneous equations : x + y = 1, x - y = 1 is: |
- A. {(0,0)}
- B. {(1,0)}
- C. {(0,1)}
- D. {(1,1)}
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8 |
If α, ß are the roots of x<sup>2</sup> + kx + 12=0 such that α-ß = 1 then K = : |
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9 |
If a polynomial P(x) = x2 + 4x2 - 2x + 5 is divided by x - 1, then the reminder is: |
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10 |
No. of ways of solving a quadratic equation: |
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