help with algebra plz

- anonymous

help with algebra plz

- katieb

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- anonymous

\[\sqrt[11]{8}+\sqrt[6]{12}-\sqrt[5]{2}\]

- anonymous

d
sorry can u mention which root is over 12 and 2

- anonymous

yes :) 6 for 12 and 5 for 2

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## More answers

- Hero

put the roots in fraction form. That might help

- anonymous

its 1.5724

- anonymous

ohyou didnt have to give the answer :P i just wanted help with solving it :)

- Hero

She wants actual steps

- anonymous

i just dont know how to solve this with the number superscripted on the square root.

- anonymous

|dw:1326910735854:dw|

- wasiqss

u want answer in decimal or fraction form cox this cant b evaluated in fraction form

- anonymous

Okay you want a reduce form under radical right?

- anonymous

fibonacci girl sorry ......just saw that you wanted the steps also

- anonymous

radical form :)

- anonymous

and i dont want to you guys to do the work for me, i just want to know how to do this. it is driving me crazyy

- anonymous

fibonacci girl do you know how to use logs

- anonymous

That's admirable :) Okay tell me do you know indices?

- wasiqss

hey we can make under root 2 common,

- anonymous

no :/

- anonymous

No logarithm needed, IMO.

- anonymous

Okay do you know that \(\huge \sqrt[a]{b} = b^\frac 1a \) ?

- anonymous

oh yeah!! i learned that in precalc like 2 months ago!

- anonymous

Good, so now it's time to apply what you learned, lets see,
your problems is \( \sqrt[11]{8}+\sqrt[6]{12}-\sqrt[5]{2} \)
lets assume the first term first \( \large\sqrt[11]{8} = 2^ \frac 3{11} \) can you follow this?

- anonymous

yes i can :)

- anonymous

Good, now what about \(\sqrt[6]{12} \)? I want you to do this.

- anonymous

\[12^{1/6}\]

- anonymous

i think i get it now :) let me try to solve on my own and then ill show what i did

- anonymous

That's great :)

- anonymous

i have gotten this far:
\[8^{1/11}+2^{1/6}-2^{1/5}\]
1/11+1/6=17/66
\[10^{17/66}-2^{1/5}\]
17/66-1/5=19/330
\[8^{19/330}\]

- anonymous

That doesn't seem to be correct.

- anonymous

\[ \huge \sqrt[11]{8}+\sqrt[6]{12}-\sqrt[5]{2} \]
\[\huge \implies 2^ \frac 3{11}+2^\frac 1{3}\times 3^\frac 16-2^\frac 15\]

- anonymous

i have 0 idea how you got that :(

- anonymous

\[1/\sqrt[99]{16}\] is this right??

- saifoo.khan

Where are u stuck>

- anonymous

how foolsformath got those numbers and is my answer correct??

- saifoo.khan

umm.. no.

- anonymous

dang it :/ im never gonna get this

- saifoo.khan

Sad. :(

- anonymous

can you help me please?

- saifoo.khan

Sure, but can u wait for about a hour or so?

- anonymous

yes

- saifoo.khan

Cool.
C ya later then! :)

- anonymous

thank you?

- anonymous

:)

- saifoo.khan

No Problem?

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