x= √5+2 then x^2+1/x^2=
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Answer:
ans=10+4√5/8+4√5
Step-by-step explanation:
(x^2+1)/X^2
{(2+√5)^2+1}/(2+√5)^2
(4+4√5+5+1)/4+4√5+5
(10+4√5)/9+4√5
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