Math, asked by rathoreharpreet, 10 months ago

dont spam answer fast​

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Answers

Answered by shivanireddy42
1

Answer:

29

Step-by-step explanation:

(x+1/x)^2

x^2 + (1/x)^2 + 2

27+2

29

Answered by ayush3520
1

x²+1/x²=27

adding 2 on both sides we get

x²+1/x²+2=29

now it is in the form of

a²+b²+2ab which is equal to (a+b) ²

Therefore,

(x+1/x) ²=29

x+1/x=√(29)

similarly

subtracting both sides by 2 we get

x²+1/x²-2=25

(x-1/x) ²=25

x-1/x=√(25)

=5

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