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TS EAMCET 03 May 2019 Shift 1 Solved Paper

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Question : 10

Total: 160

If ak = cos αk + i sin αk , k = 1 , 2 , 3 and a1,a2,a3 are the roots of the equation x3+bx+c = 0 , then the real part of b =

- 1
1
0
2
3

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