Question

Сократите дробь:

 

 

$frac{x50^{n-1}}{5^{2n+1}*2^{n-2}}$

Answer 1

$frac{x50^{n-1}}{5^{2n+1}cdot2^{2n-2}}=frac{x(5^2cdot2)^{n-1}}{5^{2n+1}cdot2^{2n-2}}=frac{x5^{2n-2}cdot2^{n-1}}{5^{2n+1}cdot2^{2n-2}}=frac{x}{5^3cdot2^{n+3}}=frac{x}{1000cdot2^n}$