Question

please refer the attachment above......​

Answer 1

HERE IS YR CORRECT ANSWER

Answer 2

Answer:

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

then,

x^4 + 1/x^4 =

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

= 324

Hence, x^4+1/x^4 =324

HERE IS YOUR ANSWER .......

MARK IS AS A BRAINLIST ANSWER.....