Ответ:
5^2x-5^x -2≤0
5^x = t
t^2-t-2≤0
t1= 2
t2= -1 -
5^x= 2
x≤㏒5 (2)
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Ответ:
5^2x-5^x -2≤0
5^x = t
t^2-t-2≤0
t1= 2
t2= -1 -
5^x= 2
x≤㏒5 (2)