Pertanyaan

x → 3 lim x 4 − 9 x 2 + 3 x + 5 x 3 − 3 x 2 + 2 x + 1 = …

$x \to 3 lim \frac{x ^{3} - 3 x ^{2} + 2 x + 1}{x ^{4} - 9 x ^{2} + 3 x + 5} = \dots$

R. Septa

Master Teacher

Mahasiswa/Alumni Universitas Negeri Malang

Jawaban terverifikasi

Jawaban

jawaban yang tepat adalah E.

Pembahasan

Jadi, jawaban yang tepat adalah E.

$begin mathsize 14px style table attributes columnalign right center left columnspacing 0px end attributes row cell limit as x rightwards arrow 3 of fraction numerator x cubed minus 3 x squared plus 2 x plus 1 over denominator x to the power of 4 minus 9 x squared plus 3 x plus 5 end fraction end cell equals cell fraction numerator 3 cubed minus 3 times 3 squared plus 2 times 3 plus 1 over denominator 3 to the power of 4 minus 9 times 3 squared plus 3 times 3 plus 5 end fraction end cell row blank equals cell fraction numerator 27 minus 27 plus 6 plus 1 over denominator 81 minus 81 plus 9 plus 5 end fraction end cell row blank equals cell 7 over 14 end cell row blank equals cell 1 half end cell row blank equals cell 0 comma 5 end cell end table end style$

Jadi, jawaban yang tepat adalah E.