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Punjab 10th Class Math Chapter 2 Theory of Quadratic Equation Mcqs Test Online

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1. Roots of the equation 4x² – 4x + 1 = 0 are

2. α² + β² is equal to:

3. Roots of the equation 4x² – 5x + 2 = 0 are

4. Cube roots of –1 are

5. If b² – 4ac < 0, then the roots of ax² + bx + c = 0 are

6. The discriminant of ax² + bx + c = 0 is

7. If b² – 4ac > 0, but not a perfect square then roots of ax² + bx + c = 0 are

8. Product of cube roots of unity is:

9. Sum of the cube roots of unity is

10. If α, β are the roots of 3x² + 5x – 2 = 0, then α + β is

11. Tow square roots of unity are:

12. If α, β are the roots of 7x² – x + 4 = 0, then αβ is

13. The nature of the roots of equation ax² + bx + c = 0 is determined by:

14. If α, β are the roots of x² – x – 1 = 0, then product of the roots 2α and 2β is:

15. 1/α + 1/β is equal to:

16. If α, β are the roots of px² + qx + r = 0, then sum of the roots 2α and 2β is:

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