দেয়া এক্সপ্রেশন: \mathbf{A} = \frac{\log \sqrt{27}+\log 8-\log \sqrt{512}}{\log 3-\log 2} \text { এবং } B=\left(\frac{2^{2l}}{2^{1-m}}\right)^{1-m+n}\cdot\left(\frac{2^{2m}}{2^{m-n}}\right)^{m-n+l}\cdot\left(\frac{2^{2n}}{2^{n-l}}\right)^{n-1+m}