Question

if x=17+12root2 then the value of root x -1/rootx​

Answer 1

Answer:

Step-by-step explanation:

x=17+12√2

then x-1/x=(17+12√2)-1/(17+12√2)

now rationalize the denominator 1/(17+12√2)

1(17-12√2/(17+12√2)(17-12√2)

17-12√2/17²-(12√2)²

17-12√2/1

sorry or incomplete answer but i think you now understand i am in a hurry