#### Answer

$2$

#### Work Step by Step

$u^{2}=\left( \sqrt {3}\right) ^{2}+1^{2}\Rightarrow u^{2}=4\Rightarrow u=2$

Published by
Pearson

ISBN 10:
013421742X

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

$2$

$u^{2}=\left( \sqrt {3}\right) ^{2}+1^{2}\Rightarrow u^{2}=4\Rightarrow u=2$

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