11th Math Complex Numbers and Quadratic Equations MCQ Chapter Quiz: Check knowledge with instant result

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Complex Numbers and Quadratic Equations MCQ Test Quiz

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Time: 10 Minutes for 10 Question.

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11th Math: Complex Numbers and Quadratic Equations

1 / 10

1. If [(1 + i)/(1 – i)]^x = 1, then

x = 2n + 1, where n ∈ N

x = 2n, where n ∈ N

x = 4n, where n ∈ N

x = 4n + 1, where n ∈ N

2 / 10

2. The value of 1 + i² + i⁴ + i⁶ + … + i²ⁿ is

positive

negative

1

cannot be evaluated

3 / 10

3.

4

3

2

1

4 / 10

4. In case 4x + i(3x – y) = 3 + i (– 6), where x and y are real numbers, then what is the values of x and y?

x = 3/4 and y =3/4

x = 3/4 and y =33/4

x = 33/4 and y =3/4

x = 23/4 and y =33/4

5 / 10

5. If a complex number z lies in the interior or on the boundary of a circle of radius 3 units and centre (– 4, 0), the greatest value of |z +1| is

4

5

6

8

6 / 10

6.

1

2

3

4

7 / 10

7.

2 – 1 i

2 – 2 i

3 – 3 i

4 – 2 i

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8. The simplified value of (1 – i)³/(1 – i³) is

-1

-2

-3

2

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9.

3

2

4

1

10 / 10

10. Number of solutions of the equation z² + |z|² = 0 is

1

2

3

infinitely many

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Chapter wise quiz of 11th class Math MCQ

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