## MCQ Quiz on Class 11 Maths Chapter 5 Complex Numbers and Quadratic Equations with Answers

We have compiled the MCQ Questions for Class 11 Maths Chapter 5 Complex Numbers and Quadratic Equations with Answers Pdf free download covering the entire syllabus for JEE and Boards. Practice MCQ Questions for Class 11 Maths with Answers on a daily basis and score well in exams. Refer to Complex Numbers and Quadratic Equations Class 11 MCQs Quiz Questions with Answers here along with a detailed explanation.

## Complex Numbers and Quadratic Equations Class 11 MCQs Questions with Answers

MCQ Questions for Class 11 Maths Chapter 5 Complex Numbers and Quadratic Equations with Answers

1. if x + 1/x = 1 find the value of x2000 + 1/x2000 is

2. The set of all solutions of the inequality (1/2)x2-2x < 1/4 contains the set

3. (1 – w + w²)×(1 – w² + w4)×(1 – w4 + w8) × …………… to 2n factors is equal to

4. The value of x and y if (3y – 2) + i(7 – 2x) = 0

5. The complex numbers sin x + i cos 2x are conjugate to each other for

6. Find real θ such that (3 + 2i × sin θ)/(1 – 2i × sin θ) is imaginary

7. If arg (z) < 0, then arg (-z) – arg (z) =

8. The value of (1 – i)² is

9. If the cube roots of unity are 1, ω, ω², then the roots of the equation (x – 1)³ + 8 = 0 are

10. The number of the integer solutions of x2 + 9 < (x + 3)2 < 8x + 25 is

11. If {(1 + i)/(1 – i)}n = 1 then the least value of n is

12. The polar form of -1 + i is

13. The value of √(-144) is

14. The modulus of 5 + 4i is

15. The curve represented by Im(z²) = k, where k is a non-zero real number, is

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