# Complex Numbers MCQs Test Online PDF Download

Complex numbers multiple choice questions (MCQs), complex numbers test prep for online learning with college degree certificate eCourses. Learn number system multiple choice questions (MCQs), complex numbers quiz questions and answers. Career test prep on linear and quadratic function, rational numbers and irrational numbers, groups in maths, operation on three sets, complex numbers aptitude test for online math facts courses distance learning.

Practice number system aptitude test MCQs: polar form of a complex number is, for free online courses with options r ( tanθ + ιcotθ ), r(secθ + ιcosecθ ), r(cosθ + ιsinθ ), r (sinθ + ιcosθ) for online college classes. Free skills assessment test is for online e-learning complex numbers quiz questions with MCQs, exam preparation questions and answers.

## MCQ on Complex NumbersQuiz 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