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Complex Numbers

Section: Mathematics

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Question : 3

Total: 28

(r,θ) denotes r(cos‌θ+isin‌θ). If x=(1,a),y=(1,β),z=(1,γ) and x+y+z=0 then
∑cos(2α−β−γ)=

[AP EAPCET 23 May 2024 S1]

3
0
1
−1

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