Question

answer correctly right answer will be marked as brain list​

Answer 1

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$\frac{15 {x}^{5} {y}^{ - 2} {z}^{4} }{5 {x}^{3} {y}^{ - 3} {z}^{2} } \\ \\ \\ \\ \\ \\ = \frac{15}{5} \frac{ {x}^{5} }{ {x}^{3} } \frac{ {y}^{ - 2} }{ {y}^{ - 3} } \frac{ {z}^{4} }{ {z}^{2} } \\ \\ \\ \\ 3 \: {x}^{(5 - 3)} {y}^{( - 2 - ( - 3))} {z }^{(4 - 2)} \\ \\ \\ 3 {x}^{2} {y}^{1} {z}^{2} \\ \\ \\ = 3 {x}^{2} y {z}^{2}$

Answer 2

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$\begin{gathered} \frac{15 {x}^{5} {y}^{ - 2} {z}^{4} }{5 {x}^{3} {y}^{ - 3} {z}^{2} } \\ \\ = \frac{15}{5} \frac{ {x}^{5} }{ {x}^{3} } \frac{ {y}^{ - 2} }{ {y}^{ - 3} } \frac{ {z}^{4} }{ {z}^{2} } \\ \\ 3 \: {x}^{(5 - 3)} {y}^{( - 2 - ( - 3))} {z }^{(4 - 2)} \\ \\ 3 {x}^{2} {y}^{1} {z}^{2} \\ \\ = 3 {x}^{2} y {z}^{2} \end{gathered}$