Iklan

Iklan

Pertanyaan

p e n ye l es aian d a r i p er t i d ak s amaan 25 lo g ( x − 3 ) + 25 lo g ( x + 3 ) ≤ 2 1 ​ a d a l ah ...

  1. negative 2 less than x less than 4

  2. negative 3 less than x less than 4

  3. x less than negative 1 space a t a u space x greater than 3

  4. 3 less than x less or equal than 4

  5. 1 less than x less than 2 space a t a u space 3 less than x less than 4

Iklan

N. Mustikowati

Master Teacher

Mahasiswa/Alumni Universitas Negeri Jakarta

Jawaban terverifikasi

Iklan

Pembahasan

- 2 ≤ x ≤ 4 syarat : x – 3 > 0 dan x + 1 > 0 x > 3 x > -1 Irisan dari ketiga pertidaksamaan di atas adalah 3 < x ≤ 4

blank to the power of 25 log space x space minus 3 space plus to the power of 25 log space x plus 1 less or equal than space space 1 half  space to the power of 25 log space left parenthesis x space minus 3 right parenthesis. space left parenthesis x plus 1 right parenthesis less or equal than space space 1 half to the power of 25 log space 25 space  to the power of 25 log space left parenthesis x squared space space minus 2 x plus 3 right parenthesis less or equal than space to the power of 25 log space 25 to the power of 1 half end exponent space space space space space space space space space space  space x squared minus 2 x minus 3 space less or equal than space 5 space  x squared minus 2 x minus 8 less or equal than space 0 space  left parenthesis x minus 4 right parenthesis. left parenthesis x plus 2 right parenthesis space less or equal than space 0  space x space equals space 4 space space space space space space space x equals space minus 2 space

 

-2 ≤ x ≤ 4

syarat : x – 3 > 0      dan     x + 1 > 0

                x   > 3                           x  > -1

Irisan dari ketiga pertidaksamaan di atas adalah 3 < x ≤ 4

 

 

Perdalam pemahamanmu bersama Master Teacher
di sesi Live Teaching, GRATIS!

13

Iklan

Iklan

Pertanyaan serupa

Himpunan penyelesaian dari pertidaksamaan adalah ....

20

0.0

Jawaban terverifikasi

RUANGGURU HQ

Jl. Dr. Saharjo No.161, Manggarai Selatan, Tebet, Kota Jakarta Selatan, Daerah Khusus Ibukota Jakarta 12860

Coba GRATIS Aplikasi Roboguru

Coba GRATIS Aplikasi Ruangguru

Download di Google PlayDownload di AppstoreDownload di App Gallery

Produk Ruangguru

Hubungi Kami

Ruangguru WhatsApp

+62 815-7441-0000

Email info@ruangguru.com

[email protected]

Contact 02140008000

02140008000

Ikuti Kami

©2024 Ruangguru. All Rights Reserved PT. Ruang Raya Indonesia