alleryStart learning →Expand (2sqrt5 + 3sqrt2)^2.
A38 + 12sqrt10
B38 + 6sqrt10
C20 + 18sqrt10
D38 + 12sqrt7
Answer & Solution
Correct answer: A. 38 + 12sqrt10
20 + 18 + 2 x 2sqrt5 x 3sqrt2 = 38 + 12sqrt10.
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