What is the average of $(\sqrt8+\sqrt2)^2$ and $(\sqrt8-\sqrt2)^2?$

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VJesus12: Legendary Member; Posts: 2276; Joined: Sat Oct 14, 2017 6:10 amFollowed by: 3 members

by VJesus12 » Tue Nov 10, 2020 4:02 am

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What is the average of $(\sqrt8+\sqrt2)^2$ and $(\sqrt8-\sqrt2)^2?$

A. 4
B. 5
C. 8
D. 10
E. 12

Answer: D

Source: Magoosh

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