# Complex Numbers MCQs Quiz Online PDF Download

Learn complex numbers MCQs, math test for online courses learning and test prep to practice. Number system quiz has multiple choice questions (MCQ), complex numbers quiz questions and answers to learn for online degrees in education.

College math practice test MCQ on if z_{1} = 2 + ι, z_{2} = 1 + 3ι, then ι re ( z_{1} - z_{2} ) = with options 1, ι, 2 ι and 2 problem solving skills for viva, competitive exam prep, interview questions with answer key. Free study guide is for online learning complex numbers quiz with MCQs to practice test questions with answers.

## MCQs on Complex Numbers Quiz PDF Download

MCQ. If z_{1} = 2 + ι, z_{2} = 1 + 3ι, then ι Re ( z_{1} - z_{2} ) =

- 1
- ι
- 2 ι
- 2

B

MCQ. Polar form of a complex number is

- r ( tanθ + ιcotθ )
- r(secθ + ιcosecθ )
- r(cosθ + ιsinθ )
- r (sinθ + ιcosθ)

C

MCQ. |z_{1} + z_{2} | =

- > |Z
_{1}| + |Z_{2}| - ≤|Z
_{1}| + |Z_{2}| - ≤ Z
_{1}+ Z_{2} - > Z
_{1}+ Z_{2}

B

MCQ. |z_{1} - z_{2} | =

- > |Z
_{1}| + |Z_{2}| - ≤|Z
_{1}| + |Z_{2}| - ≤ Z
_{1}+ Z_{2} - > Z
_{1}+ Z_{2}

B

MCQ. A² + b²

- (a + b )(a-b)
- (a + ι b)(a -ι b)
- (a + b )(a- ι b)
- (a + ι b )(a - b)

B