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If a=31/223+1 and f(n)=n∑r=1(−1)r−1 nCr−1⋅an−r for all n≥3, then the value of f(2007)+f(2008) is |
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Answer» If a=31/223+1 and f(n)=n∑r=1(−1)r−1 nCr−1⋅an−r for all n≥3, then the value of f(2007)+f(2008) is |
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