Question
Asked Sep 10, 2019
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Find the exact area of the surface obtained by rotating the curve about the x-axis. y= x3/6 + 1/2x , 1/2 <=x<=1

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Expert Answer

Step 1

Given that the curve is

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Step 2

Differentiate with respect to x as,

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dy x dx 2 2x2 1 1 1x4 2

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Step 3

...
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dv 1- 1+ dx x4 (x* +1) dv 1+ dx (2x) dy 2x2

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Calculus

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