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Let a=(2^(1//401)-1) and for each ngeq2...

Let `a=(2^(1//401)-1)` and for each `ngeq2,l e tb_n=^n C_1+^n C_2dota+^n C_3a^2+......+^n C_n*a^(n-1)` . Find the value of `(b_(2006)-b_(2005))dot`

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