Let (√7 + 1)/(√7 -1) = A + B, where A > 0 and 0

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answerhappygod
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Let (√7 + 1)/(√7 -1) = A + B, where A > 0 and 0

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Let (√7 + 1)/(√7 -1) = A + B, where A > 0 and
0<B<1.
a) Determine the exact values of A and B
b) Does the sum Σ∞ n=1 B^n exist? If it does, find it
exactly.
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