#### Answer

$< ac,bd > $

#### Work Step by Step

$ < a,b > \cdot < c,d > = < ac,bd > $

Published by
Pearson

ISBN 10:
013421742X

ISBN 13:
978-0-13421-742-0

$< ac,bd > $

$ < a,b > \cdot < c,d > = < ac,bd > $

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