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(a + b*)* =

(A)

b − a

(B)...
(C)...
(D)...
(E)...
(F)...
*This question is included in Nova Math - Problem Set C: Defined Function, question #18

The solution is

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Miranda LK
Posted: 06/03/2014 10:44
Again, I don't entirely understand why the signs switch when the brackets are removed?
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