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"Nice" complex form

  • To: mathgroup at smc.vnet.net
  • Subject: [mg131593] "Nice" complex form
  • From: sam.takoy at yahoo.com
  • Date: Mon, 9 Sep 2013 00:06:09 -0400 (EDT)
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Hi,

Can I get

Assuming[a - 4 < 0, Sqrt[a - 4]]

to "simplify" to

I Sqrt[4 - a]

?

Thanks,

Sam




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