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olga55 [171]
3 years ago
10

Let C be the circle in the xy plane centered at (5,0) with radius 2, and let S be the resulting surface in R3 when you rotate C

around the y axis. a. Draw a picture of S. b. Find an equation for the tangent plane to S at the point (3 2, 3, 3 2). c. Find the surface area of S.

Mathematics
1 answer:
guajiro [1.7K]3 years ago
7 0

Answer:

Please see attachment

Step-by-step explanation:

Please see attachment

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The answer is:  [C]:  " ⁷/₆ " .
____________________________________
  Note:
____________________________________
   (5/3) - (1/2) = ? ;
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The LCD (lowest common denominator) of "2 and 3" is "6" ;

So we need to rewrite EACH fraction in the problem as a fraction with "6" in the denominator ;
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(1/2) = (?/6) ? ; (6÷2=3) ;  (1/2) = (1*3)/(2*3) = 3/6 ;
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Rewrite the problem:   "    (5/3) - (1/2) " ;  as:
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   10/6 - 3/6  ;
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    10/6 - 3/6 = (10 - 3) / 6 = (7/6) = 1 ⅙ .
____________________________________________
The answer is:  " ⁷/₆ " ;  or, write as:   " 1 ⅙ " ; which corresponds to: 
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Answer choice:  [C]:  " ⁷/₆ " .
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4 0
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Step-by-step explanation:

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