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show {x=2/(?3-1) } is a root of { x^2 -2x -2 = 0}?

Posted 10 years ago

{x=2/(?3-1) }={ x^2 -2x -2 = 0}

2 Replies
Posted 10 years ago

In the quadratic replace x with 2/(Sqrt[x]-1) and then Simplify the result.

In[1]:= x^2 - 2 x - 2 /. x -> 2/(Sqrt[3] - 1) // Simplify

Out[1]= 0
POSTED BY: Bill Simpson

can u pls take a pic and send me..thx @BillSimpsons

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