Ответ:
2
Пошаговое объяснение:
log₃15 * log₂6 * log₆16 / (2 + log₃25) = log₃15 * log₂6 * (log₂16/log₂6) / (log₃9 + log₃25) = log₃15 * log₂2⁴ / log₃(9*25) = log₃15 * 4 / log₃225 = 4 * log₃15 / log₃15² = 4* log₃15 / (2 * log₃15 ) = 4/2 = 2
При решении использованы свойства логарифма:
log₆16 = log₂16/log₂6 ; 2 = log₃3² ; log₃9 + log₃25 = log₃ (9*25 ); log₃15² = 2 * log₃15
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Verified answer
Ответ:
2
Пошаговое объяснение:
log₃15 * log₂6 * log₆16 / (2 + log₃25) = log₃15 * log₂6 * (log₂16/log₂6) / (log₃9 + log₃25) = log₃15 * log₂2⁴ / log₃(9*25) = log₃15 * 4 / log₃225 = 4 * log₃15 / log₃15² = 4* log₃15 / (2 * log₃15 ) = 4/2 = 2
При решении использованы свойства логарифма:
log₆16 = log₂16/log₂6 ; 2 = log₃3² ; log₃9 + log₃25 = log₃ (9*25 ); log₃15² = 2 * log₃15