the5654owpz8w the5654owpz8w
  • 23-09-2017
  • Mathematics
contestada

Hi, prove that (AXB).(CXD)+(BXC).(AXD)+(CXA).(BXD)=0

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JakePaulisnumber1 JakePaulisnumber1
  • 23-09-2017
no.i will not prove that.
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