x→2lim​x2−4x3−2x2​=...

Pertanyaan

begin mathsize 14px style limit as x rightwards arrow 2 of fraction numerator x cubed minus 2 x squared over denominator x squared minus 4 end fraction equals... end style 

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Pembahasan

Pembahasan

begin mathsize 14px style table attributes columnalign right center left columnspacing 0px end attributes row cell limit as x rightwards arrow 2 of fraction numerator x cubed minus 2 x squared over denominator x squared minus 4 end fraction end cell equals cell limit as x rightwards arrow 2 of fraction numerator x squared open parentheses x minus 2 close parentheses over denominator open parentheses x minus 2 close parentheses open parentheses x plus 2 close parentheses end fraction end cell row blank equals cell limit as x rightwards arrow 2 of fraction numerator x squared over denominator open parentheses x plus 2 close parentheses end fraction end cell row blank equals cell fraction numerator 2 squared over denominator open parentheses 2 plus 2 close parentheses end fraction end cell row blank equals cell 4 over 4 end cell row blank equals 1 end table end style 

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