Math, asked by utkarshdubey1974, 11 months ago

if x²-7x+1=0 find x²+1/x²​

Answers

Answered by dipamcool2016
1

Answer:

The value is 47.

Step-by-step explanation:

Given,

= x²-7x+1 = 0

Dividing all the terms by x.

= x-7+1/x = 0

= x+1/x = 7

= (x+1/x)² = x²+ 1/x² +2

= 7² =  x²+ 1/x² +2

= 49 =  x²+ 1/x² + 2

= 47 =  x²+ 1/x²

Hope this helps.

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