Pertanyaan

Nilai x yang memenuhi pertidaksamaan ∣ ∣ 3 x − 5 1 ∣ ∣ < 4 adalah ....

Nilai x yang memenuhi pertidaksamaan $∣ ∣ \frac{1}{3 x - 5} ∣ ∣ < 4$ adalah ....

A. Acfreelance

Master Teacher

Jawaban terverifikasi

Pembahasan

Nilai x yang memenuhi:

$begin mathsize 14px style open vertical bar fraction numerator 1 over denominator 3 straight x minus 5 end fraction close vertical bar less than 4 rightwards arrow straight A space equals space 1 space semicolon space straight B equals 3 straight x minus 5 semicolon space straight K equals 4 space space space space space space space space space space space space space space space space space space space left parenthesis straight A plus KB right parenthesis left parenthesis straight A space minus space KB right parenthesis space less than 0 space left parenthesis 1 plus space 12 straight x minus 20 right parenthesis left parenthesis 1 space minus space 12 straight x space plus 20 right parenthesis space less than space 0 space space space space space space space space space space left parenthesis 12 straight x space minus 19 right parenthesis left parenthesis negative 12 straight x space plus space 21 right parenthesis space less than space 0 end style$