А) 5 log5 25+ log 7 1^49 б)2 log 2 6- log2 9 Помогииитеее

Question

А) 5 log5 25+ log 7 1^49 б)2 log 2 6- log2 9 Помогииитеее

Answer 1

2log₂6- log₂9=log₂36- log₂9=log₂(36:9)=log₂4=2;