Math, asked by kumariritikarani619, 3 months ago

lf x²+1/x²=18 . Then the value of x -1/x

Answers

Answered by premkumar1387

1

Answer:

×2+1/×2=18

subtract 2.x.1/×on both side

×2+1/×2_2.x.1/×18_2.x.1/x

(x_1/x)2=18_2

xy1/x=16

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