Usando o metodo de substituição, podemos afirmar que a integral:

é igual a :
a) 
b)
c) 
d)
Soluções para a tarefa
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Boa tarde Pirata!
Solução!


Boa tarde!
Bons estudos!
Solução!
Boa tarde!
Bons estudos!
Pirata2014:
muito obrigado pela ajuda.
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