Respostas

  • Usuário do Brainly
2013-10-08T20:28:33-03:00
G) x'' = 16
x =  \sqrt{16}
x = +_ 4
s = { - 4, 4 }

h) x.(7x - 1) = 0
x = 0 e
7x - 1 = 0
7x = 1
x = 1/7

S = { 0, 1/7 }

i) x'' = 25/9
x =  \sqrt{25/9}
x = +_ 5/3

S = {- 5/3, 5/3 }
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