d: \(A=75^{44}\left(75-1\right)=75^{44}\cdot74\)
\(B=75^{43}\cdot\left(75-1\right)=75^{43}\cdot74\)
Do đó: A<B
i: \(3^{450}=27^{150}\)
\(4^{300}=16^{150}\)
mà 27>16
nên \(3^{450}< 4^{300}\)
k: \(8^5=2^{15}=2\cdot2^{14}< 5\cdot2^{14}=5\cdot4^7\)
l: \(27^5=3^{15}< 3^{16}\)