If a, b > 0, then the maximum value of \(\dfrac{a^3b}{(a + b)^4}\)is:

1.	If a, b > 0, then the maximum value of \(\dfrac{a^3b}{(a + b)^4}\)is:
A.	\(\dfrac{27}{512}\)
B.	\(\dfrac{81}{256}\)
C.	\(\dfrac{81}{512}\)
D.	\(\dfrac{27}{256}\)
Answer» E.

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