Question

if X=1-√2 find [x-1/x]​

Answer 1

Answer:

hey mate!

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Step-by-step explanation:

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root2/2 -2/root

thanks!

Answer 2

Answer:

√2+2√2

Step-by-step explanation:

X=1-√2

(x-1/x)= ((1-√2)-1)/(1-√2)

         = (-√2)/(1-√2)

now, by rationalising,we get

= (-√2)/(1-√2)×(1+√2)/(1+√2)

= (-√2)(1+√2)/(1-√2)(1+√2)

= √2+2√2