Respostas

2013-08-21T23:15:08-03:00
Resolvendo o produto notável, temos:

(x^3-\dfrac{5}{4})^2=(x^3)^2+2\cdot x^3\cdot\dfrac{5}{4}+(\dfrac{5}{4})^2=x^6+\dfrac{5x^3}{2}+\dfrac{25}{16}
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