Question

if x ki power 4 + 1/x ki power 4 =324 then find the value of x +1/x​

Answer 1

Answer:

x^4+1/x^4=322.

x^4+1/x^4+2=322+2.

(x^2+1/x^2)^2=(18)^2.

x^2+1/x^2= 18.

x^2+1/x^2–2 =18–2.

(x-1/x)^2=16

x-1/x= +/-4 ,