Question

if,√2+1,find the value of (i) x²+1/x² (ii)x³+1/x³​

Answer 1

Step-by-step explanation:

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Answer 2

Answer:

⇒(x−x1)2+2=38

⇒(x−x1)=6

Cube on both sides 

⇒x3−x31−3xx1(x−x1)=216

⇒x3−x31−3(6)=216

⇒x3−x31=234