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let a cos 2 7 isin 2 7 a a a2 a4 and a3 a5 a6 then
Question:
Let
\(a = cos\frac{2π}7 + isin\frac{2π}7\)
, a = a + a
2
+a
4
and β = a
3
+ a
5
+a
6
then the equation whose root are α, β is
CUET (PG) - 2023
CUET (PG)
Updated On:
Mar 18, 2024
x
2
+x+2=0
x
2
+x-2=0
x
2
-x-2=0
x
2
-x+2=0
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The Correct Option is
A
Solution and Explanation
The correct answer is(A): x
2
+x+2=0
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