#### Answer

$4i-2j$

#### Work Step by Step

$ < a,b > =ai+bj\Rightarrow < 4,-2 > =4i-2j$

Published by
Pearson

ISBN 10:
013421742X

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

$4i-2j$

$ < a,b > =ai+bj\Rightarrow < 4,-2 > =4i-2j$

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