Question

if x = 7+4 root 3 find (x– 1/x )^2​

Answer 1

Answer:

96/97

Step-by-step explanation:

[(7 + 4√3) - 1/(7 + 4√3)]^2

[7^2 + (4√3)^2 - 1^2]/7^2 + (4√3)^2

49 + 16*3 - 1/49 + 16*3

49 + 48 - 1/49 + 48

97 - 1/97

96/97