Using Binomial theorem, expand \( (x+y)^{5}+(x-y)^{5} \). Hence, find the value of \[ (\sqrt{2}+...

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Using Binomial theorem, expand \( (x+y)^{5}+(x-y)^{5} \). Hence, find the value of
\[
(\sqrt{2}+1)^{5}+(\sqrt{2}-1)^{5} .
\]
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