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Bentuk sederhana dari 4 − 15 ​ ​ − 4 + 15 ​ ​ adalah....

Bentuk sederhana dari  adalah....

  1. -6

  2. negative square root of 6

  3. square root of 6

  4. 6

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N. Rahayu

Master Teacher

Mahasiswa/Alumni Universitas Negeri Jakarta

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Pembahasan

,maka karena Maka nilai p=

straight p equals square root of 4 plus square root of 15 end root minus square root of 4 plus square root of 15 end root,maka

straight p squared equals open parentheses square root of 4 minus square root of 15 end root minus square root of 4 plus square root of 15 end root close parentheses squared  left right double arrow straight p squared equals open parentheses square root of 4 minus square root of 15 end root close parentheses minus 2 open parentheses square root of 4 minus square root of 15 end root close parentheses open parentheses square root of 4 plus square root of 15 end root close parentheses plus open parentheses square root of 4 plus square root of 15 end root close parentheses  left right double arrow straight p squared equals 8 minus 2 square root of open parentheses square root of 4 minus square root of 15 end root close parentheses open parentheses square root of 4 plus square root of 15 end root close parentheses end root  left right double arrow straight p squared equals 8 minus 2 square root of 16 minus 15 end root  left right double arrow straight p squared equals 6  left right double arrow straight p space equals plus-or-minus square root of 6

karena open parentheses square root of 4 minus square root of 15 end root close parentheses less than open parentheses square root of 4 plus square root of 15 end root close parentheses

Maka nilai p=negative square root of 6

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