Q.
If w ≠1 is a cube root of unity, then 1 , ω , ω2
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a
are vertices of an equilateral triangle
b
lie on a straight line
c
lie on a circle of radius lie on a circle of radius 3/2
d
none of these
answer is A.
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Detailed Solution
|1−ω|=ω−ω2=ω2−1Alternatively plot the points on an argand diagram
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