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Mathematics 13 Online
OpenStudy (anonymous):

How can I complete the square for this problem..

OpenStudy (anonymous):

\[x ^{10} - \frac{ 1 }{ 2 } + \frac{ 1 }{ 16x ^{10} }\]

OpenStudy (anonymous):

is there a certain method to use to make it easier?

hartnn (hartnn):

just for convenience, firstly, you can take \(x^{10} = y\)

hartnn (hartnn):

\(y - \dfrac{1}{2} +\dfrac{1}{16y}\) does this atleast make it "look" easier to solve? :)

OpenStudy (mathmale):

Hint: multiply every term in hartnn's last result by (y/y) (yes, that's y over y).

OpenStudy (anonymous):

thank you! i will try the problem now

hartnn (hartnn):

let us know if you get stuck :) if not, let us know your final answer so that we can verify :)

OpenStudy (anonymous):

i will, thank you!

OpenStudy (anonymous):

So far I have \[y+\frac{ 1 }{ 16y } + \frac{ 1 }{ 1024 }=\frac{ 1 }{ 2 }+ \frac{ 1 }{ 1024 }\] am i on the right track?

hartnn (hartnn):

\(\color{#0cbb34}{\text{Originally Posted by}}\) @mathmale Hint: multiply every term in hartnn's last result by (y/y) (yes, that's y over y). \(\color{#0cbb34}{\text{End of Quote}}\) have you tried this? This is for making a common denominator! better if you try to make each of the denominator as `16y` |dw:1457759890787:dw|

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