08-06-2014
Mathematics

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Simplify (1/x+1)+(1/x-1). Is it 2/xsquared minus 1

Respuesta :

08-06-2014

Relax. Do you see that plus " + " sign in the middle ? That means there's no multiplication involved, only addition and combining like terms. You can just erase all the parentheses and add everything up. I think you end up with just 2/x .

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