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Mathematics 12 Online
OpenStudy (anonymous):

.

OpenStudy (anonymous):

ok so y=8/3+sqrt2

OpenStudy (anonymous):

nvm misread

OpenStudy (anonymous):

so what do you need to do?

OpenStudy (anonymous):

i guess thats kind of why your asking it but do you just need to find exact value or what?

OpenStudy (sirm3d):

is the problem like this \[8\sqrt{3}+\sqrt{2}\] or \[8\sqrt{3}\div\]

OpenStudy (sirm3d):

okay. you have to multiply both 8 and \[3+\sqrt{2}\] by the same expression \[3-\sqrt{2}\]

OpenStudy (sirm3d):

it should look like this \[\frac{ 8\left( 3-\sqrt{2} \right) }{ \left( 3+\sqrt{2} \right)\left( 3-\sqrt{2} \right) }\]

OpenStudy (sirm3d):

the only way to do it is to use the conjugate

OpenStudy (sirm3d):

that should be \[24-8\sqrt{2}\] on top

OpenStudy (sirm3d):

don't forget to simplify the denominator

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