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If Vn=an+bn,V_{n}=a^{n}+b^{n},Vn=an+bn, where aaa and bbb are the roots of x2+x+1,x^{2}+x+1,x2+x+1, what is the value of
∑n=01729(−1)n⋅ Vn? \sum_{n=0}^{1729} (-1)^{n} \cdot \ V_{n} ?n=0∑1729(−1)n⋅ Vn?
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