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Tentukan persamaan garis singgung dengan gradien  ...

Tentukan persamaan garis singgung dengan gradien begin mathsize 14px style straight m equals 2 square root of 2 end style pada lingkaran begin mathsize 14px style x squared plus y squared equals 1 end style 

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Jawaban:

begin mathsize 14px style table attributes columnalign right center left columnspacing 0px end attributes row y equals cell m x plus-or-minus r square root of 1 plus m squared end root end cell row y equals cell 2 square root of 2 x plus-or-minus 1 square root of 1 plus open parentheses 2 square root of 2 close parentheses squared end root end cell row y equals cell 2 square root of 2 x plus-or-minus square root of 9 end cell row y equals cell 2 square root of 2 x plus-or-minus 3 end cell end table end style 

Jadi persamaan garis singgungnya adalah begin mathsize 14px style table attributes columnalign right center left columnspacing 0px end attributes row blank blank y end table table attributes columnalign right center left columnspacing 0px end attributes row blank equals blank end table table attributes columnalign right center left columnspacing 0px end attributes row blank blank 2 end table table attributes columnalign right center left columnspacing 0px end attributes row blank blank cell square root of 2 end cell end table table attributes columnalign right center left columnspacing 0px end attributes row blank blank x end table table attributes columnalign right center left columnspacing 0px end attributes row blank blank plus end table table attributes columnalign right center left columnspacing 0px end attributes row blank blank 3 end table table attributes columnalign right center left columnspacing 0px end attributes row blank blank space end table table attributes columnalign right center left columnspacing 0px end attributes row blank blank dan end table table attributes columnalign right center left columnspacing 0px end attributes row blank blank space end table table attributes columnalign right center left columnspacing 0px end attributes row blank blank y end table table attributes columnalign right center left columnspacing 0px end attributes row blank equals blank end table table attributes columnalign right center left columnspacing 0px end attributes row blank blank 2 end table table attributes columnalign right center left columnspacing 0px end attributes row blank blank cell square root of 2 end cell end table table attributes columnalign right center left columnspacing 0px end attributes row blank blank x end table table attributes columnalign right center left columnspacing 0px end attributes row blank blank minus end table table attributes columnalign right center left columnspacing 0px end attributes row blank blank 3 end table end style 

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