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Find the greatest value of a such that sqrt(1 + 4a^2) + 3 = 4.

 Feb 26, 2021
 #1
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sqrt(1 + 4a^2) = 1

 

1 + 4a^2 = 1

 

a^2 = 0

 

a = 0

 Feb 26, 2021

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