youngcaroline1
youngcaroline1 youngcaroline1
  • 04-01-2016
  • Mathematics
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I need help on the problem #53 it asking to prove if it is an identity.

I need help on the problem 53 it asking to prove if it is an identity class=

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Аноним Аноним
  • 04-01-2016
Answer and workings can be found in the attachment below...
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