if x=2+root 3 find the value of (x+1/×)^2
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fill the value of X in the equation
x²+1/x²
= (2+√3)²+1/(2+√3)²
= (2)²+(√3)²+2(2)(√3)+1/(2)²+(√3)²+2(2)(√3)
= 4+3+4√3+1/4+3+4√3
= 7+4√3+1/7+4√3
= (7+4√3)²+1/7+4√3
= 49+48+8√3+1/7+√3
= 98+8√3/7+√3
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