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Nilai  yang memenuhi pertidaksamaan  adalah....

Pertanyaan

Nilai undefined yang memenuhi pertidaksamaan begin mathsize 14px style fraction numerator 3 x squared minus 15 x plus 8 over denominator x squared minus 5 x plus 4 end fraction greater or equal than 2 comma space x element of straight real numbers end style adalah....undefined 

  1. begin mathsize 14px style x less or equal than 0 space atau space 1 less or equal than x less or equal than space 4 space atau space x greater or equal than 5 end style 

  2. size 14px x size 14px less or equal than size 14px 0 size 14px space size 14px atau size 14px space size 14px 1 size 14px less than size 14px x size 14px less than size 14px 4 size 14px space size 14px atau size 14px space size 14px x size 14px greater or equal than size 14px 5 

  3. begin mathsize 14px style space 0 less than x less than 1 space atau space 4 less than x less than 5 end style 

  4. size 14px space size 14px 0 size 14px less or equal than size 14px x size 14px less or equal than size 14px 1 size 14px space size 14px atau size 14px space size 14px 4 size 14px less or equal than size 14px x size 14px less or equal than size 14px 5 

  5. size 14px space size 14px 0 size 14px less or equal than size 14px x size 14px less than size 14px 1 size 14px space size 14px atau size 14px space size 14px 4 size 14px less than size 14px x size 14px less or equal than size 14px 5 

Pembahasan Soal:

begin mathsize 14px style table attributes columnalign right center left columnspacing 0px end attributes row cell fraction numerator 3 x squared minus 15 x plus 8 over denominator x squared minus 5 x plus 4 end fraction end cell greater or equal than 2 row cell fraction numerator 3 x squared minus 15 x plus 8 over denominator x squared minus 5 x plus 4 end fraction minus 2 end cell greater or equal than 0 row cell fraction numerator 3 x squared minus 15 x plus 8 over denominator x squared minus 5 x plus 4 end fraction minus fraction numerator 2 x squared minus 10 x plus 8 over denominator x squared minus 5 x plus 4 end fraction end cell greater or equal than 0 row cell fraction numerator x squared minus 5 x over denominator open parentheses x minus 1 close parentheses open parentheses x minus 4 close parentheses end fraction end cell greater or equal than 0 row cell fraction numerator x left parenthesis x minus 5 right parenthesis over denominator open parentheses x minus 1 close parentheses open parentheses x minus 4 close parentheses end fraction end cell greater or equal than 0 row blank blank cell Angka space batas minus batas space colon end cell row x equals 0 row cell x minus 5 end cell equals 0 row x equals 5 row cell x minus 1 end cell equals 0 row x equals 1 row cell x minus 4 end cell equals 0 row x equals 4 row blank blank blank row blank blank blank end table end style 

 

Syarat :

begin mathsize 14px style table attributes columnalign right center left columnspacing 0px end attributes row cell x minus 1 end cell not equal to 0 row x not equal to 1 row blank blank blank row cell x minus 4 end cell not equal to 0 row x not equal to 4 end table end style 

Daerah penyelesaian :

Jadi jawaban yang tepat adalah B

Pembahasan terverifikasi oleh Roboguru

Terakhir diupdate 04 Februari 2021

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