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Mathematics 20 Online
OpenStudy (anonymous):

How do I solve 3/(1+2√7)? I know the answer is (2√7-1)/9, but I dont know how to solve it step by step.

Directrix (directrix):

Would you prefer that I draw (try to) this solution or type it?

OpenStudy (anonymous):

Which ever is easier for you. I appreciate your help in any form.

Directrix (directrix):

I'll try drawing. The site is slow tonight though.

Directrix (directrix):

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