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

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11th Math: Complex Numbers and Quadratic Equations

1 / 10

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

infinitely many

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3. Find the real numbers x and y if (x – iy) (3 + 5i) is the conjugate of –6 – 24i.

x = -3, y = 3

x = 4, y = – 4

x = 2, y = – 2

x = 3, y = – 3

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4 / 10

4. 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

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5. 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

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6. The value of arg (x) when x < 0 is

π/2

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7. 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

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8. If 1 – i, is a root of the equation x² + ax + b = 0, where a, b ∈ R, then the value of a – b is

-2

-3

-4

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9. $math quiz$

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10. $math 11 quiz$

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

Complex Numbers and Quadratic Equations MCQ Test Quiz

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