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The MCQ If z1 = 2 + ι, z2 = 1 + 3ι, then ι Re ( z1 - z2 ) =: 1, ι, 2 ι and 2 with "Complex Numbers" App Download (Free) to study online educational courses. Practice complex numbers quiz questions, download Amazon eBook (Free Sample) for online degree programs.

## Complex Numbers MCQ Quiz : Math MCQs

MCQ 1: If z1 = 2 + ι, z2 = 1 + 3ι, then ι Re ( z1 - z2 ) =

A) 1
B) ι
C) 2 ι
D) 2

MCQ 2: The polar form of a complex number is

A) r ( tanθ + ιcotθ )
B) r(secθ + ιcosecθ )
C) r(cosθ + ιsinθ )
D) r (sinθ + ιcosθ)

MCQ 3: |z1 + z2 | =

A) > |Z1| + |Z2|
B) ≤|Z1| + |Z2|
C) ≤ Z1 + Z2
D) > Z1 + Z2

MCQ 4: |z1 - z2 | =

A) > |Z1| + |Z2|
B) ≤|Z1| + |Z2|
C) ≤ Z1 + Z2
D) > Z1 + Z2

MCQ 5: a² + b²

A) (a + b )(a-b)
B) (a + ι b)(a -ι b)
C) (a + b )(a- ι b)
D) (a + ι b )(a - b)

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