Question

If x = 7 +4√3 , find the value of x² + 1/x²​

Answer 1

Answer:

given, x= 7+4✓3

solution:

X2 +1/X2

(7+4√3)2 + 1/(7+4√3)2

(49+16×3) + 1/(49+16×3)

49+48 + 1/ 49 +48

97+ 1/97

= 1