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begin mathsize 14px style limit as x rightwards arrow negative 1 of square root of 3 x plus 12 end root end style undefined 

  1. ... undefined 

  2. ... undefined 

Jawaban:

Metode substitusi dilakukan dengan mensubstitusi langsung nilai kedalam fungsi

begin mathsize 14px style table attributes columnalign right center left columnspacing 0px end attributes row cell limit as x rightwards arrow negative 1 of square root of 3 x plus 12 end root end cell equals cell square root of 3 left parenthesis negative 1 right parenthesis plus 12 end root end cell row blank equals cell square root of negative 3 plus 12 end root end cell row blank equals cell square root of 9 equals 3 end cell end table end style

Jadi, nilai begin mathsize 14px style limit as x rightwards arrow negative 1 of square root of 3 x plus 12 end root equals 3 end style

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