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literacola
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Homework Statement
Was just wondering how this equation:
[tex](k*16*10^(-6))/d^2=(k*16e-6)/(30-d)^2[/tex]
gets manipulated to produce this result
[tex]20(3-d)^2=d^2 [/tex]
[tex]d=2[/tex]
Homework Equations
The Attempt at a Solution
I've tried manipulating it myself but it ends up with me spiraling off into pages of crap that is obviously wrong.
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