Question

A^4 b^2÷4a^3 b^-27B3%7D%20%20%7Bb%7D%5E%7B%20-%202%7D%20" id="TexFormula1" title=" {a}^{4} {b}^{2} \div 4 {a}^{3} {b}^{ - 2} " alt=" {a}^{4} {b}^{2} \div 4 {a}^{3} {b}^{ - 2} " align="absmiddle" class="latex-formula">
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Answer 1

A^7 /4
That is the simplification