Question

solve this middle one​

Answer 1

Answer:

${12}^{ - 5} \times {12}^{2n + 1} = {12}^{13} \div {12}^{7}$

$= {12}^{( - 5 + 2n + 1)} = {12}^{(13 - 7)}$

$= {12}^{2n - 4} = {12}^{8}$

$= {12}^{2n} = {12}^{12}$

$= {12}^{n} = {12}^{6}$

$= n = 6$

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