#### Answer

$x^{8},$
$y^{8}$

#### Work Step by Step

$\left( x+y\right) ^{8}=x^{8}+\ldots +y^{8}$ so first and last terms will be $\Rightarrow x^{8},y^{8}$

Published by
Pearson

ISBN 10:
013421742X

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

$x^{8},$
$y^{8}$

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