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<a href="http://www.codecogs.com/eqnedit.php?latex=X&space;=\sqrt{\left&space;(&space;\left&space;(6400000+x&space;\right&space;)^{2}-6400002^{2}&space;\right&space;)}" target="_blank"><img src="http://latex.codecogs.com/gif.latex?X&space;=\sqrt{\left&space;(&space;\left&space;(6400000+x&space;\right&space;)^{2}-6400002^{2}&space;\right&space;)}" title="X =\sqrt{\left ( \left (6400000+x \right )^{2}-6400002^{2} \right )}" /></a>
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