Find Delta y and dy y-x-2-3x-6- When x-10- Delta x-0-1

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Find $$\Delta y$$ and dy if $$y=x^{2}+3x+6.$$ When x=10, $$\Delta x=0.1$$

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PARAGRAPH
If the measurement errors in all the independent quantities are known, then it is possible to determine the error in any dependent quantity. This is done by the use of series expansion and truncating the expansion at the first power of the error. For example, consider the relation

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