Log2 (4-x)=7 log5 (x+3)+ log5 4=log5 16 log4 (2-x) = log4 5 log2 (5x-7) - log2 5=log2 21

Question

Log2 (4-x)=7 log5 (x+3)+ log5 4=log5 16 log4 (2-x) = log4 5 log2 (5x-7) - log2 5=log2 21

Answer 1

Ответ:

решение на фото......

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