Math, asked by abhay6275, 11 months ago

$if \: x = 2 + \sqrt{5} find \: \frac{1}{x ^{2} } + {x}^{2}$
in cbse rule please...

Answers

Answered by brunoconti

1

Answer:

Step-by-step explanation:

hhh

Attachments:

abhay6275: why you take √5+2? why 2+√5

abhay6275: not

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