Pertanyaan

x → 4 lim x 2 − x − 12 x 2 − 16 = ....

$x \to 4 lim \frac{x ^{2} - 16}{x ^{2} - x - 12} = ....$

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Maka hasilnya adalah .

$table attributes columnalign right center left columnspacing 0px end attributes row cell limit as x rightwards arrow 4 of space space fraction numerator x squared minus 16 over denominator x squared minus x minus 12 end fraction end cell equals cell limit as x rightwards arrow 4 of space space fraction numerator open parentheses x plus 4 close parentheses open parentheses x minus 4 close parentheses over denominator open parentheses x plus 3 close parentheses open parentheses x minus 4 close parentheses end fraction end cell row blank equals cell limit as x rightwards arrow 4 of space space fraction numerator open parentheses x plus 4 close parentheses over denominator open parentheses x plus 3 close parentheses end fraction end cell row blank equals cell fraction numerator 4 plus 4 over denominator 4 plus 3 end fraction end cell row blank equals cell 8 over 7 end cell end table$

Maka hasilnya adalah $table attributes columnalign right center left columnspacing 0px end attributes row blank blank cell limit as x rightwards arrow 4 of end cell end table table attributes columnalign right center left columnspacing 0px end attributes row blank blank space end table table attributes columnalign right center left columnspacing 0px end attributes row blank blank space end table table attributes columnalign right center left columnspacing 0px end attributes row blank blank cell fraction numerator x squared minus 16 over denominator x squared minus x minus 12 end fraction end cell end table table attributes columnalign right center left columnspacing 0px end attributes row blank equals blank end table 8 over 7$ .