Question

) If x+1/x =3 ,find x²+1/x²

B). x²+1/x²=8 , find x-1/x

[ By using (a+b)²And(a-b)²]

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Answer 1

Answer:

check if it is correct

....,

Answer 2

Answer:

X = 2 + √ 3

=> 1/x = 2 = 3

X2 + 1/x2 = (x+1/X) 2-2(×2=x) square

= 16 - 2 = 14

hope it's help you