Question
Asked Jan 24, 2020
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The curve y = sqrt(x2 + 1), 0<=x<=sqrt(2), which is part of the upper branch of the hyperbola y2 - x2 = 1, is re-volved about the x-axis to generate a surface. Find the area of the surface.

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Expert Answer

Step 1

Find dy/dx from the given curve using power rule and chain rule.

Calculus homework question answer, step 1, image 1
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Step 2

Plug y and dy/dx in the formula of surface area and simplify. 

Calculus homework question answer, step 2, image 1
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Step 3

Then simplify the in...

Calculus homework question answer, step 3, image 1
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