Unformatted text preview: A ( x ) and B ( x ) be series. (a) Using the usual rules from Calculus, show that ( A ( x ) B ( x )) = A ( x ) B ( x )+ A ( x ) B ( x ). (b) Assuming that [ x k ] A ( x ) = a k and [ x k ] B ( x ) = b k , compute formulas for the coeﬃcient of x n in ( A ( x ) B ( x )) and in A ( x ) B ( x ) + A ( x ) B ( x ) and check that they are the same. 1...
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This note was uploaded on 11/26/2011 for the course MATH 239 taught by Professor M.pei during the Spring '09 term at Waterloo.
 Spring '09
 M.PEI
 Math

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