Math, asked by Anonymous, 11 months ago

1.If x^2+1/x^2=27,find the value of the following

1.x+1/x

2.x-1/x^2

Answers

Answered by Anonymous

4

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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

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