Math, asked by luna69, 3 months ago

x^2 +1/x^2 =7 ,then find the value of x+1/x.

Answers

Answered by datars211gmilcom

0

Answer:

x²+1/x²=7

x²+2+1/x²=7+2{ adding both side 2}

(x+1/x)²=9

x+1/x=±3

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