Answer
$C$
Work Step by Step
$x^{2}+2xy+y^{2}$ is the algebraic identity to verify the square of a sum. The expression that is verified by the identity is $C$.
$C$. $(x+y)^{2}$
Trigonometry (11th Edition) Clone
by Lial, Margaret L.; Hornsby, John; Schneider, David I.; Daniels, Callie
Published by
Pearson
ISBN 10:
978-0-13-421743-7
ISBN 13:
978-0-13421-743-7
Chapter 5 - Trigonometric Identities - Section 5.2 Verifying Trigonometric Identities - 5.2 Exercises - Page 208: 4
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