Question

if x=√5+2 then x-1/x equals to​

Answer 1

Answer:

-1

x-1/x = √5+2 - 1/√5+2

now same numerals will be cancelled the the ramaining one is the answe that is -1.

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Answer 2

Answer:

Hello,

Here, x = {root (5)+2 }

so, 1/x=1/{root (5)+2} = 1×{root (5)-2}/[{root (5)+2}×{root (5)-2}]={root (5)-2}

therefore, x-1/× = {root (5)+2}-{root (5)-2} = root (5)+2-root (5)+2

= 4 ans..

Thank you! !

Mark as brainliest!!