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anonymous
 5 years ago
\[\sqrt{x+\Delta x} \approx ?\]
anonymous
 5 years ago
\[\sqrt{x+\Delta x} \approx ?\]

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anonymous
 5 years ago
Best ResponseYou've already chosen the best response.0because \[\sqrt{x + (x1x)} = \sqrt{ x1} \]

anonymous
 5 years ago
Best ResponseYou've already chosen the best response.0is that \[\sqrt{\Delta x}\]

anonymous
 5 years ago
Best ResponseYou've already chosen the best response.0or \[\sqrt{\Delta y}\]

anonymous
 5 years ago
Best ResponseYou've already chosen the best response.0no ... \[\Delta x = x1  x\]

anonymous
 5 years ago
Best ResponseYou've already chosen the best response.0but there is no such option?

anonymous
 5 years ago
Best ResponseYou've already chosen the best response.0X1 represents any variable that is not x .. you can name it whatever

anonymous
 5 years ago
Best ResponseYou've already chosen the best response.0so inside the square root xΔx = x  (x1  x).. the xs cancel out so you get x1
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