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Pertanyaan

Tentukan penyelesaian dari pertidaksamaan 2 ≤ ∣ 2 x − 6 ∣ ≤ 4 !

Tentukan penyelesaian dari pertidaksamaan !

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S. Nur

Master Teacher

Jawaban terverifikasi

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Pembahasan

Ingat konsep syarat mutlak :

Ingat konsep syarat mutlak :

jika space open vertical bar straight x close vertical bar equals straight x space maka space straight x greater or equal than 0 jika space open vertical bar straight x close vertical bar equals negative straight x space maka space straight x less than 0 

table attributes columnalign right center left columnspacing 0px end attributes row blank blank cell Syarat space 1 end cell row cell 2 x minus 6 end cell greater or equal than 0 row x greater or equal than 3 row blank blank Maka row 2 less or equal than cell 2 x minus 6 less or equal than 4 end cell row cell 2 plus 6 end cell less or equal than cell 2 x less or equal than 4 plus 6 end cell row 8 less or equal than cell 2 x less or equal than 10 end cell row 4 less or equal than cell x less or equal than 5 space left parenthesis memenuhi space syarat right parenthesis end cell row blank blank blank row blank blank cell Syarat space 2 end cell row cell negative 2 x plus 6 end cell less than 0 row x greater than 3 row blank blank Maka row 2 less or equal than cell negative 2 x plus 6 less or equal than 4 end cell row cell negative 4 end cell less or equal than cell negative 2 x less or equal than negative 2 end cell row 4 greater or equal than cell 2 x greater or equal than 2 end cell row 2 greater or equal than cell x greater or equal than 1 space left parenthesis tidak space memenuhi space syarat right parenthesis end cell row blank blank blank row blank blank cell Dengan space demikian space end cell row cell space Hp end cell equals cell 4 less or equal than straight x less or equal than 5 end cell end table  

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