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anonymous
 one year ago
???
anonymous
 one year ago
???

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IrishBoy123
 one year ago
Best ResponseYou've already chosen the best response.0by linear approximation, do you mean \(V = \frac{4}{3} \pi r^3\), \(\Delta V = \frac{dV}{dr}\Delta r\) ?

anonymous
 one year ago
Best ResponseYou've already chosen the best response.0Would I derive the first one?

welshfella
 one year ago
Best ResponseYou've already chosen the best response.1yes differentiate (4/3) pi r^3 which is the formula for the volume of the sphere

IrishBoy123
 one year ago
Best ResponseYou've already chosen the best response.0then this https://gyazo.com/286b458598def9d5b57be9a7393d584f

welshfella
 one year ago
Best ResponseYou've already chosen the best response.1you know the value of r and delta r  Just plug them in and calculate

IrishBoy123
 one year ago
Best ResponseYou've already chosen the best response.0correct to within 0.01 inch in maths speak is: \(\Delta r = \pm 0.01\) you got \(\frac{dV}{dr} = 4 \pi r^2\) yourself, so finish the job

welshfella
 one year ago
Best ResponseYou've already chosen the best response.136pi is correct for the value of 4 pi r^2 now you plug is the +/ 0.01
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