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Himpunan penyelesaian pertidaksamaan 2 1 ​ lo g ( x 2 − 8 ) < 0 adalah ....

Himpunan penyelesaian pertidaksamaan adalah ....

  1. open curly brackets x space left enclose negative 3 less than x less than 3 end enclose close curly brackets

  2. left curly bracket xI space minus 2 square root of 2 less than straight x less than 2 square root of 2 right curly bracket

  3. open curly brackets x space left enclose x less than negative 3 space a t a u space x greater than 3 end enclose close curly brackets

  4. left curly bracket xIx less than negative 2 square root of 2 space atau space straight x greater than 2 square root of 2 right curly bracket

  5. begin mathsize 14px style left curly bracket xI minus 3 less than straight x less than negative 2 square root of 2 space atau space 2 square root of 2 less than straight x less than 3 right curly bracket end style

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space to the power of 1 half end exponent log left parenthesis straight x squared minus 8 right parenthesis less than 0 space space to the power of 1 half end exponent log left parenthesis straight x squared minus 8 right parenthesis less than to the power of 1 half end exponent log 1 straight x squared minus 8 greater than 1 straight x squared minus 9 greater than 0 left parenthesis x plus 3 right parenthesis left parenthesis x minus 3 right parenthesis greater than 0 x equals negative 3 space a t a u space x equals 3  S y a r a t colon x squared minus 8 greater than 0 left parenthesis x plus 2 square root of 2 right parenthesis left parenthesis x minus 2 square root of 2 right parenthesis greater than 0 x equals negative 2 square root of 2 space a t a u space x equals 2 square root of 2 space

 

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