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Mathematics 7 Online
OpenStudy (anonymous):

solve 1 + (3sqt 8)

OpenStudy (anonymous):

That's not an equation.

OpenStudy (anonymous):

well i had the solve the limit and i did it it was more of 1+ 3sqrt x so i replace it with 8 cuz thats the limit

OpenStudy (anonymous):

and my equation tool does not work

OpenStudy (anonymous):

So what needs doing then?

OpenStudy (anonymous):

how do i solve the 3 thats over the sqaure root of 8..its not a divisions...

OpenStudy (anonymous):

What do you mean solve? Just put it in a calculator.

OpenStudy (anonymous):

it dont work i just dont know how to explain it....it like 3 is inside the square root of 8...on the right upper side

OpenStudy (anonymous):

\[\sqrt{8^3}?\]

OpenStudy (anonymous):

like that but on the upper left side sorry

OpenStudy (anonymous):

\[\sqrt[3]8{}\] here it is

OpenStudy (anonymous):

can you help me how to compute this i forgot

OpenStudy (anonymous):

Ah, that means the cube root of 8 which is asking what number you need to multiply by itself 3 times to get 8 which is 2.

OpenStudy (anonymous):

what you mean can you show me please

OpenStudy (anonymous):

\[2\times2\times2=8\Longleftrightarrow \sqrt[3]{8}=2\]

OpenStudy (anonymous):

oooooooo i see now well thanks so much

OpenStudy (anonymous):

In general\[x^n=y\Longleftrightarrow x=\sqrt[n]{y}\]

OpenStudy (anonymous):

That's ok, glad to be helpful.

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