Q&A - Ask Doubts and Get Answers
Q
BITSAT If 1, w, w^2 are the cube roots of unity, the the value of
(1+-
)(1-
+
) is
-
4
-
-
2
-
Zero
Answers (1)
Views
With the help of 2 properties of cube roots of unity, we can solve this question.
Property 1,
Property 2,
Now we have to find the value of (1+-
)(1-
+
)
Using property 2,
Now use property 1,
Option (1) is correct
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