Determine 3882

Determine the sum of the three square roots of 343.

Correct answer:

x =  0

Step-by-step explanation:

x1=3343=7 u=2π/3=2 3.1416/32.0944 x2=x1 cosu=7 cos2.0944=27=321=3.5 x3=x1 cos(2 u)=7 cos(2 2.0944)=27=321=3.5 x=x1+x2+x3=7+(3.5)+(3.5)=0



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