\(a,\) \(N=\dfrac{2L}{3,4}=3000\left(nu\right)\)
\(A=T=300\left(nu\right)\) \(\rightarrow G=X=\dfrac{N}{2}-300=1200\left(nu\right)\)
\(b,\) \(N_{mt}=N.\left(2^3-1\right)=21000\left(nu\right)\)
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