Binomial Theorem - Finding Parameters in Binomial Expansions

Binomial Theorem - Finding Parameters in Binomial Expansions

TGM Original Questions

Determine all integers \(a\) for which every coefficient in \( \left(x + \frac{1}{a} \right)^6\) is an integer.

Solution:

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Answer:\(a=1\) or \(a=-1\)

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