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Pertanyaan

Himpunan penyelesaian dari: lo g ( x 2 + 4 x + 4 ) ≤ lo g ( 5 x + 10 ) adalah …

Himpunan penyelesaian dari:  adalah …

  1. open curly brackets x vertical line negative 2 less than x less or equal than 3 close curly brackets

  2. open curly brackets x vertical line x less than 3 close curly brackets

  3. open curly brackets x vertical line negative 3 less than x less than negative 2 close curly brackets

  4. open curly brackets x vertical line x less or equal than negative 2 space atau space x greater or equal than 3 close curly brackets

  5. left curly bracket x vertical line minus 2 less or equal than x less or equal than 3 right curly bracket

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Master Teacher

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Pembahasan

log invisible function application open parentheses x squared plus 4 x plus 4 close parentheses space less or equal than space log invisible function application open parentheses 5 x plus 10 close parentheses x squared plus 4 x plus 4 less or equal than 5 x plus 10 x squared minus x minus 6 less or equal than 0 left parenthesis x plus 2 right parenthesis left parenthesis x minus 3 right parenthesis less or equal than 0 space space x equals negative 2 space a t a u space x equals 3 space minus 2 less or equal than x less or equal than 3 space horizontal ellipsis left parenthesis 1 right parenthesis space  Syarat space numerus space 1 colon x squared plus 4 x plus 4 greater than 0 left parenthesis x plus 2 right parenthesis squared greater than 0 x less than negative 2 space atau space x greater than negative 2 horizontal ellipsis left parenthesis 2 right parenthesis  Syarat space numerus space 2 colon 5 x plus 10 greater than 0 space 5 x greater than negative 10 space x greater than negative 2 space space space horizontal ellipsis left parenthesis 3 right parenthesis space  Sehingga space dari space persamaan left parenthesis 1 right parenthesis comma space left parenthesis 2 right parenthesis space dan space left parenthesis 3 right parenthesis space diiris comma space diperoleh colon space minus 2 less than x less or equal than 3

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Himpunan penyelesaian pertidaksamaan 2 ​ lo g 2 x + 2. 2 ​ lo g 2 x > 2 adalah...

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