Question

pls give me the solution?? of this ​

Answer 1

Answer:

${5}^{3n} = 125 \times {5}^{n} \\ {5}^{3n} = {5}^{3} \times {5}^{n} \\ {5}^{3n} = {5}^{3 + n {}} \\ now \\ \: \: \: \: \: \: 3n = 3 + n \\ 3n - n = 3 \\ 2n = 3 \\ n = \frac{3}{2} \\ or \: \: \: \: n = 1.5 \: \: answer$