Math, asked by abhilasha1636, 4 months ago

if x=√5+2,then find the value of x²+1/x² .
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Answers

Answered by shivamjha68

0

Answer:

i think it is 82/9

:- see here,

(√5 +2)^2 + 1/(√5+2)^2

=(√25+4)+1/(√25+4)

=(5+4)+1/(5+4)

=9+1/9 (LCM -9)

=81/9 + 1/9

ANS= 82/9

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