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the function f(x) satisfies f(sqrt x+1)=1/x for all x greater than or equal to -1, while x cannot be zero. Find f(2)

 Feb 14, 2021
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I believe it's 1 OR -1.

 

Since 2=sqrt1+1, it could be 1/(-1) or 1/1 

 

 

 
 Feb 14, 2021
edited by pizzaisawesome972  Feb 14, 2021

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