Respostas

2013-06-06T21:29:19-03:00

delta = (-24)² - 4 x 9 x 16

delta = 0

 

x = -(-24)/9x2 +- 0/ 9x2

 

x= 24/18 = 12/9 = 4/3

3 4 3
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2013-06-07T00:26:53-03:00