alpha beta are roots of x^(2)+x+1=0 then alpha+beta=...
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Step-by-step explanation:
x² - x + 1 = 0 1± √/3i 2 =-w, -w², where w, w² are the
cube roots of unity ⇒a=-w, ß = =-6²
So a 2015 (w) 2015. -(w) 2013+2 = −(w)671×3. ==
and ß2015 (²) 2015 = −(w)4030 – =
-(w) 4029+1 = -(w)1343×3. w = w
Clearly the roots are same, that of given quadratic equation
Hence the quadratic equation will be same, which is x²-x+1=0
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