Вычислите произведения 1) (x-1)×2x+1/3x-3 2) ex+6/x-3×4x-12/x²-4
Вычислите произведения
1) (x-1)×2x+1/3x-3
2) ex+6/x-3×4x-12/x²-4
1) (x-1)×2x+1/3x-3
2) ex+6/x-3×4x-12/x²-4
1 ответ:
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ОДЗ : x > 0
+ - +
__________₀__________₀__________
0 2
/////////////////// ///////////////////////
_______________₀__________________
1
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x ∈ (2 ; + ∞)
+ - +
_______________₀_____________₀_________
0 2
////////////////////////////
_______________________₀_______________
\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\ 1
x ∈ (0 ; 1)
Ответ : (0 ; 1) ∪ (2 , + ∞)