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mslittlehorror1
@mslittlehorror1
November 2021
1
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Решить неравенство:
Помогите плиз! [tex] (\frac{1}{3} )^{x-1} \ \textless \ \frac{1}{9} [/tex]
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sedinalana
Verified answer
(1/3)^(x-1)<(1/3)²
Т.к. основание меньше 1,то знак неравенства меняется
x-1>2
x>2+1
x>3
x∈(3;∞)
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Answers & Comments
Verified answer
(1/3)^(x-1)<(1/3)²Т.к. основание меньше 1,то знак неравенства меняется
x-1>2
x>2+1
x>3
x∈(3;∞)
-------------------------