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  • 20-12-2018
  • Mathematics
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l-15l __ l15l is it <> or =?

Respuesta :

gmany
gmany gmany
  • 31-12-2018

|a| = a for a ≥ 0

|a| = -a for a < 0

|-15| = -(-15) = 15

|15| = 15

Therefore |-15| =|15|

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