Question

In this question why do we subtract 2? I mean the question: if x equal to 5 minus 2 root 6 then find the value of x square + 1 by x square

Answer 1

Answer:

(50 - 20_/6) / (49 - 20_/ 6)

Step-by-step explanation:

x/\2+1/x/\2

x = 5-2_/6

(5-2_/6)/\2 + 1 / (5-2_/6)/\2

(25 +24 + 1 - 20_/6) / (25 + 24 - 20_/6)

(50 - 20_/6) / (49 - 20_/ 6)