Question

смотрите фотографию внутри

Answer 1

12^(k-1)/(32^(k-2)*6^(k-2)) = 12^(k-2)*12/((32*6)^(k-2)) = 12^(k-2) * 12/(192^(k-2)) = 12* (12/192)^(k-2) = 12 * 1/16^(k-2) = 12* 16^2 * 1/16^k = 3*4*4^2*16*4^(-2k) = 3*4^(5-2k)