Question

if x=2-root 3 find x+1/x and also find x^2+1/x^2

Answer 1

Answer:

sorry I didn't know root word

Step-by-step explanation:

please mark me as brainlist please

Answer 2

Answer:

If x=3+22, find the value x−x1.

A

±2

B

±4

C

±3

D

none of the above

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ANSWER

x=3+22⇒x1=3+221

⇒x1=3+221×(3−22)(3−22)=(32−(22)2)3+22=9−83−22