Question

plz answer this question ​

Answer 1

Answer:

the answer is 8

Step-by-step explanation:

x²+1/x²-2=64

(x-1/x)²=64

x-1/x=8

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Answer 2

hey ❗❗

given here

x² + 1/x² = 66. ...(1)

find here

x - 1/x =❓

Solution :--

we know

(a-b)²=a²+b²-2ab

so,

(x- 1/x)²=(x²+ 1/x²)-2

put value by (1),

we get ,

(x- 1/x)²= (66)-2

= 64

x - 1/x = ±√64

x - 1/x = ±8

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