Thread: Nested Radicals
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Old 2019-11-10, 17:06   #11
MattcAnderson
 
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"Matthew Anderson"
Dec 2010
Oregon, USA

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Dr. Sardonicus,

Thank you for your input.
I do not see where the equation
{1} sqrt(b^2 - c) = g - f.
comes from.

We start with
sqrt(b+sqrt(c))=sqrt(f)+sqrt(g).
As you pointed out, it follows that
b=f+g
and
c=4*f*g.
But, I do not yet understand the above equation {1}.
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