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Unformatted text preview: answer is not su cient.) Solution: The sphere described has equation ( x + 2) 2 + ( y & 3) 2 + ( z + 1) 2 = 5 2 . When expanded this becomes 4 x & 6 y + 2 z + x 2 + y 2 + z 2 + 14 = 25 or x 2 + y 2 + z 2 + 4 x & 6 y + 2 z = 11 so the correct choice is D. 1...
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This note was uploaded on 02/05/2012 for the course MATH 2203 taught by Professor Ellermeyer during the Fall '10 term at FIU.
 Fall '10
 Ellermeyer
 Math

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