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Complex Numbers and Quadratic Equations Quiz

Class XI
Mathematics
Complex Numbers and Quadratic Equations
13 questions
MEDIUM

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Preview questions

1. What is the imaginary unit represented by?

i · j · k · m

2. Which of the following is a complex number?

3 · 4 + 5i · 0 · -2

3. What is the modulus of the complex number 3 + 4i?

5 · 7 · 1 · 4

4. What is the conjugate of the complex number 2 - 3i?

2 + 3i · 2 - 3i · -2 + 3i · -2 - 3i

5. Which of the following represents the quadratic equation?

ax^2 + bx + c = 0 · ax + b = 0 · x^2 + c = 0 · bx^2 + c = 0