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Mathematics, 06.09.2021 16:20 vdirectioner3847

If $a = 5 - 2 \sqrt{6}$
, then find the value of :
(I)
(ii)
plz post the correct answer

$\sqrt{a} \: - \frac{1}{ \sqrt{a} }$
${a}^{2} + \frac{1}{ {a}^{2} }$

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, then find the value of :
(I)

(ii)

plz post the correct ans...

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