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Himpunan penyelesaian pertidaksamaan x ​ + x + 1 ​ < 3 adalah...

Himpunan penyelesaian pertidaksamaan  adalah...

  1. begin mathsize 12px style open curly brackets x vertical line 0 less or equal than x less or equal than 16 over 9 close curly brackets end style  

  2. open curly brackets size 12px x size 12px vertical line size 12px x size 12px less than size 12px 16 over size 12px 9 close curly brackets  

  3. open curly brackets size 12px x size 12px vertical line size 12px x size 12px greater than size 12px 16 over size 12px 9 close curly brackets  

  4. open curly brackets size 12px x size 12px vertical line size 12px x size 12px less than size 12px 0 size 12px space size 12px a size 12px t size 12px a size 12px u size 12px space size 12px x size 12px greater than size 12px 16 over size 12px 9 close curly brackets  

  5. open curly brackets size 12px x size 12px vertical line size 12px x size 12px less or equal than size 12px 0 size 12px space size 12px a size 12px t size 12px a size 12px u size 12px space size 12px 0 size 12px less than size 12px x size 12px less than size 12px 16 over size 12px 9 close curly brackets  

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begin mathsize 12px style H P subscript 1 equals x greater or equal than 0 H P subscript 2 equals x greater or equal than negative 1 square root of x plus 1 end root less than 3 minus square root of x x plus 1 less than 9 minus 6 square root of x plus x 6 square root of x less than 8 x less than 64 over 36 H P subscript 3 equals x less than 16 over 9 H P equals H P subscript 1 intersection H P subscript 2 intersection H P subscript 3 equals 0 less or equal than x less than 16 over 9 end style  

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