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Mathematics 29 Online
OpenStudy (anonymous):

ok simplify

OpenStudy (anonymous):

\[a ^{2}\sqrt{8} /\sqrt{16a^{2}}\]

OpenStudy (dumbcow):

\[\sqrt{8} = \sqrt{4}*\sqrt{2}\] \[\sqrt{16a^{2}} = \sqrt{16}*\sqrt{a^{2}}\] that should help

OpenStudy (anonymous):

not really lol sorry

OpenStudy (dumbcow):

what is sqrt(4) ?

OpenStudy (anonymous):

what??

OpenStudy (dumbcow):

do you know what the the square root of 4 is?

OpenStudy (dumbcow):

ok how about 16?

OpenStudy (anonymous):

2 and 4...

OpenStudy (dumbcow):

yep, now a^2

OpenStudy (anonymous):

@dumbcow u lost me a long time ago

OpenStudy (dumbcow):

\[\sqrt{16} = \sqrt{4^{2}} = 4\] so for any number \[\sqrt{a^{2}} = a\]

OpenStudy (anonymous):

lol ur not hepling my question tho...

OpenStudy (dumbcow):

well to simplify the problem , you need to simplify or get rid of the radicals, that is what im trying to help you do

OpenStudy (anonymous):

dont u just multiply the top by the bottom???

OpenStudy (anonymous):

you want someone to answer your problem? find the square root of 14 of a^2 and sqrt(4)*sqrt(2)

OpenStudy (dumbcow):

\[\frac{\sqrt{8} a^{2}}{\sqrt{16a^{2}}} = \frac{\sqrt{4}\sqrt{2}a^{2}}{\sqrt{16}\sqrt{a^{2}}} = \frac{2\sqrt{2}a^{2}}{4a}\]

OpenStudy (anonymous):

@dumbcow ok now i seee ima sorry about that

OpenStudy (dumbcow):

np :) now just reduce to get final answer

OpenStudy (anonymous):

lol thanks!!

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