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Akar-akar persamaan 2. 3 4 x − 20.3 2 x + 18 = 0 a d a l ah x 1 ​ d an x 2 ​ . N i l ai x 1 ​ + x 2 ​ adalah ......

Akar-akar persamaan adalah ......

  1. 0

  2. 1

  3. 2

  4. 3

  5. 4

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R. RGFLSATU

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2.3 to the power of 4 x end exponent space minus space 20.3 space to the power of 2 x end exponent space plus space 18 space equals space 0  M i s a l space 3 space to the power of 2 x end exponent equals y    2 y squared space minus space 20 y space plus space 18 space equals space 0  space 2 space left parenthesis y squared space minus space 1 space 0 y space plus space 9 right parenthesis space equals space 0  space left parenthesis y space minus space 9 right parenthesis space left parenthesis y space minus space 1 right parenthesis space equals space 0  space y space equals space 9 space a t a u space y space equals space 1 space  9 space equals space 3 to the power of space 2 X end exponent space a t a u space 1 space equals space 3 to the power of 2 x end exponent space  3 to the power of space 2 end exponent space equals space 3 space to the power of 2 x end exponent space space space space space space space space space space 3 to the power of 0 space end exponent equals space 3 to the power of 2 x end exponent space  1 space equals space x subscript 1 space space space space space space space space space space space space space space space space space 0 space equals space x subscript 2 space  x subscript 1 space plus space x subscript 2 space equals 1 plus space 0 space equals space 1

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Himpunan penyelesaian dari persamaan eksponen 1 0 2 x − 1 0 2 x − 1 = 90 adalah...

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