Home Maths Complex Number Skill Builder If and represent the vertices of an equila…
Maths Complex Number Skill Builder Single Correct MCQ
Published on: August 12, 2026

If and represent the vertices of an equilateral triangle, then

A
and
B
and
C
and
D
and

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The correct answer is:
A

Step 1: Represent vertices on the unit circle

Let . Then for an equilateral triangle:

Step 2: Sum of vertices

Using geometric series property:

Step 3: Product of vertices

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