Question

If x2+1/x2=27,find the value of x-1/x

Answer 1

Answer:

Step-by-step explanation:

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Answer 2

x²+1/x² = 27

(x)²+(1/x)²+2(x)(1/x) = 29

using formula ,

a²+b²+2ab = (a+b)²

(x+1/x)² = 29

x+1/x = √29

hope this helps