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Pertanyaan

Jika A = { x ∣ x 2 + 4 x − 32 ≤ 0 , x re a l } B = { x ∣ ∣ x − 2∣ > 1 , x a s l i } C = { x ∣ 4 − x ​ ≤ 1 , x c a c ah } M aka ( A ∩ B ∩ C ) a d a l ah .........

Jika

  1. empty set

  2. {3,4}

  3. open curly brackets x space vertical line space 3 less or equal than x less or equal than 4 close curly brackets

  4. open curly brackets x space vertical line space 0 less or equal than x less or equal than 4 close curly brackets

  5. {4}

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Master Teacher

Mahasiswa/Alumni Universitas Pendidikan Ganesha

Jawaban terverifikasi

Pembahasan

A n g g o t a space semicolon space A colon space x squared space plus space 4 x space minus space 32 space tilde space 0 space times  A colon space left parenthesis x space plus space 8 right parenthesis left parenthesis x space minus space 4 right parenthesis space less or equal than space 0  rightwards double arrow space A equals open curly brackets x l minus 8 less or equal than space x less or equal than 4 comma x element of R close curly brackets  A n g g o t a space 8 space colon space I space x space minus space 2 space I space greater than space 1  x space minus space 2 space greater than space 1 space a t a u space x space minus space 2 space less than space minus space 1  x space greater than space 3 space a t a u space x space less than space 1  x a s l i rightwards arrow space B equals open parentheses 4 comma 5. comma 6 comma..... close parentheses

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