Question

Помогите пж сокращение дроби 28^n+2/2^2n+3*7^n-2

Answer 1

$frac{28^{n+2}}{2^{2n+3}*7^{n-2}}$

$frac{4^{n+2}*7^{n+2}}{2^{2n+3}*7^{n-2}}$= $frac{2^{2n+4}*7^{n+2}}{2^{2n+3}*7^{n-2}}$= =2*7^{4}=4802" title="$frac{4^{n+2}*7^{n+2}}{2^{2n+3}*7^{n-2}}$= $frac{2^{2n+4}*7^{n+2}}{2^{2n+3}*7^{n-2}}$= =2*7^{4}=4802" alt="$frac{4^{n+2}*7^{n+2}}{2^{2n+3}*7^{n-2}}$= $frac{2^{2n+4}*7^{n+2}}{2^{2n+3}*7^{n-2}}$= =2*7^{4}=4802" />