Question

if x=3+√8,find x^2+1/x^2​

Answer 1

Answer:

(6+4√2)+(1.5+(2√2/2))

Step-by-step explanation:

Substituting x and distributing

(2(3+√8)) + (1/2(3+√8))

(6+2√8)+(1.5+(√8/2))

Simplify the square roots

(6+4√2)+(1.5+(2√2/2))

If you don't need to completely simplify the answer this is your answer.

Answer 2

Answer:

this is your answer if you have any doubt then ask me