Math, asked by sushilkumar7843, 9 months ago

If x2+1/x2=18 what is the value f x=1/x

Answers

Answered by sandy1816

1

Step-by-step explanation:

x²+1/x²=18

(x+1x)²-2x.1/x=18

(x+1/x)²-2=18

(x+1/x)²=20

x+1/x=√20=2√5

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