Equation Questions With Solutions

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Equation (সমীকরণ)

Complex Numbers Quiz enhances your knowledge and skills in complex numbers and all properties. You will have 10 minutes to complete the quiz and if you do not answer any question within the specified time, it will be considered incorrect. You need to get a minimum of 50% marks to pass the quiz. Press the "Start Quiz" button to participate in the quiz.

1 / 10

The imaginary part of a complex number 2 + 5i is -

2 / 10

Find the value of x and the value of y if (x + iy)(2 + i) = 3 - i such that x ∈ R, y ∈ R.

-1, 2

-1, 0

2, -1

1, -1

3 / 10

Every real number can be expressed as a complex number. Is it true?

Yes

4 / 10

i¹⁶ =?

-i

-1

5 / 10

The real part of a complex number 2 - 3i is -

-3i

6 / 10

Let z = x + iy be a complex number. The conjugate of “z” is -

x + iy

x - iy

y – ix

x - y

7 / 10

The value of i is -

√-i

-1

√-1

8 / 10

What is the value of (4 - 5i)(12 + 11i)?

-74 + 11i

74 + 11i

-74 - 11i

74 - 11i

9 / 10

The modulus of complex number z = x + iy is -

|z| = √(x² + y²)

10 / 10

The imaginary i is also known as -

iten

none of these

imath

iota

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