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OpenStudy (anonymous):
Simplify: 3+√7 OVER 2-√10? Would it equal 5+√7 OVER -8?
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hartnn (hartnn):
nopes, how did u get -8? did u multiply and divide by 2+√10 ?
OpenStudy (anonymous):
uhmmm i multiplied both sides by 2+√10 and got 5+√17 OVER 2-10.
hartnn (hartnn):
in denominator, it should be 2^2-(√10)^2 , isn't it ?
OpenStudy (anonymous):
whatt? i dont get how you got that...
hartnn (hartnn):
\(\large (a+b)(a-b)=a^2-b^2\)
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