ArlRoberkneecalli ArlRoberkneecalli
  • 24-11-2016
  • Mathematics
contestada

If a>b and a(b-a)=0, which one or more of the following must be true?
i) a=0 ii) b<0 iii) a-b>0

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alsteva alsteva
  • 27-11-2016
[tex]a\ \textgreater \ b \Rightarrow a-b\ \textgreater \ 0 \\ \\a(a-b)=0 \Rightarrow a=0 \\ \\a\ \textgreater \ b \\0\ \textgreater \ b \\b\ \textless \ 0[/tex]

All options are correct.
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