Question

solve for x:X2+1/X2=82/9

pls give ans ​

Answer 1

Answer:

before we solve we find X2=a

than

a+1/a=82/9

(a2+1)/a=82/9

than we find 9a2+9-82a=0

(9a-1)(a-9)

than we fund a=1/9,9

putting the value of a

x=1/3,3