Homework Help: Calculus

Posted by Emely on Tuesday, November 8, 2011 at 12:59pm.

The circumference of a sphere was measured to be 81 cm with a possible error of 0.5 cm. Use linear approximation to estimate the maximum error in the calculated surface area

Calculus - bobpursley, Tuesday, November 8, 2011 at 1:29pm
sarea= 4PI r^2
errorArea= 8PI r dr

so the maximum error is +- 8*PI*81*.5

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