Question

find the value of(x+1 /x), if x2+1/x2 =23




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Answer 1

Answer:

(x− x ) 2 =x 2 +( x1)

2 −2x− x1= x

2 +( x ) 2 −2 x− x1 = 23−2

x− x1 = 21

x− x1 = 21 or

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Answer 2

Answer:

1/square root 1/22

Step-by-step explanation:

x²+1/x²=23

x²+1=23x²

22x²=1

x²=1/22

x=square root 1/22