Question

Решите уравнения:
(5/6)^x=1,2
5^x*4^-x=0,8

Answer 1

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Answer 2

(5/6)^х = 1,2
(5/6)^х = (5/6)^-1
х = – 1

5^х • 4^–х = 0,8
(5/4)^х = (5/4)^–1
х = – 1