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\[\frac{6 }{ \sqrt{7}-\sqrt{5} }\]
what are the instructions?
simplify
ok so we know that we cant have radicals in the denominator so multiply it by (square root 7- square root5) on both the top and bottom. i'll draw it if u'd like
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yes please
ok just a sec :)
oops... i forgot how to do this im really sorry. its like its right there ya know? i just cant remember :(
what about
\[\left( 2+6\sqrt{7} \right)(9-5\sqrt{7})\]
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uhm, i have no clue where you got that :\ sorry!
lol its another problem
ohhhh<facepalm> ok lemme see if i can work it out
do you have an answer key?
no
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ok lemme check my answer on my calculator then. gimme a sec :)
k ty
ok lemme draw it out
|dw:1352962209437:dw|
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