anthonynina0921 anthonynina0921

29-07-2020
Mathematics

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The circule by X^2 + Y^2- 2y-11=0

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versace221575 versace221575

29-07-2020

x^2 + y^2 -2y-11=0

x^2 + y^2 -2y=11

x^2 + y^2 -2y + ? = 11 + ?

x^2 + y^2 -2y + 1 = 11 + ?

x^2 + y^2 -2y + 1 = 11 + 1

x^2 + (y-1)^2 = 12

Solution: Circle

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