x2 + y2 = 427 మరియు xy = 202 అయితే, అప్పుడు  \(\rm \frac{x+y}{x-y}\) విలువని కనుగొనండి.

1
\(\sqrt{\frac{835}{23}} \)
2
\(\sqrt{\frac{830}{29}} \)
3
\(\sqrt{\frac{831}{23}}\)
4
\(\sqrt{\frac{830}{23}}\)

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