Ответ: x = 6 .
Объяснение:
2ˣ + 2ˣ⁻³ = 72 ;
2ˣ⁻³( 2³ + 1 ) = 72 ;
2ˣ⁻³ * 9 = 72 ;
2ˣ⁻³ = 72 : 9 ;
2ˣ⁻³ = 8 ;
2ˣ⁻³ = 2³ ;
x - 3 = 3 ;
x = 3 + 3 ;
x = 6 .
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Ответ: x = 6 .
Объяснение:
2ˣ + 2ˣ⁻³ = 72 ;
2ˣ⁻³( 2³ + 1 ) = 72 ;
2ˣ⁻³ * 9 = 72 ;
2ˣ⁻³ = 72 : 9 ;
2ˣ⁻³ = 8 ;
2ˣ⁻³ = 2³ ;
x - 3 = 3 ;
x = 3 + 3 ;
x = 6 .