Вопрос от посетителя
log2,5 9 * log9 4 = ?????????
Отвечает Илюха:
log2.5 9 *log9 4=log4 2.5/log 4 9 *log4 4/log4 9=l0g4 2.5=log2.5 2/5/log 2.5 4=log2.5 2/2log2.5 2=1/2=0.5
log2,5 9 * log9 4 = ?????????
log2.5 9 *log9 4=log4 2.5/log 4 9 *log4 4/log4 9=l0g4 2.5=log2.5 2/5/log 2.5 4=log2.5 2/2log2.5 2=1/2=0.5