Question

if X=5+√6 then fin the value x²+1/x²​

Answer 1

$\huge{\mathfrak{\underline{\red{Answer!}}}}$

x=5-2√6

Then 1/x=5+2√6. ( by rationalization)

(5-2√6)²+(5+2√6)²

25+24-20√6+ 25+ 24+20√6

25+24+25+24

50+48

98 is your answer