Question

what is the value of X square+1/x square-1=5/4​

Answer 1

Answer:

x2+1x2=51

⟹(x+1x)2−2=51

⟹(x+1x)2=53

⟹x+1x=±53−−√

Similarly, x−1x=±7

Adding the above 2 equations,2x=±7±53−−√

⟹x=±7±53−−√2