#### Answer

$6$

#### Work Step by Step

Number of terms in $\left( a+b\right) ^{n}$ is $ n+1$
So number of terms will be $5+1=6$

Published by
Pearson

ISBN 10:
013421742X

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

$6$

Number of terms in $\left( a+b\right) ^{n}$ is $ n+1$
So number of terms will be $5+1=6$

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