Question

if x=9+4√5 ,find the value of (√x-1/√x) and (√x+1/√x)

Answer 1

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$- ( \sqrt{9 + 4 \sqrt{5)} } (9 - 4 \sqrt{5)} and( \sqrt{9 + 4 \sqrt{5)} } (9 - 4 \sqrt{5)}$