Ответ:
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Пошаговое объяснение:
1 ) ∫₁²( 1/х -х² )dх = (ln| x | - x³/3 )│₁² = ( ln| 2 | - 2³/3 ) - ( ln| 1 | - 1³/3 ) = ln2 - 2 /2/3 -
- ln1 + 1/3 = ln2 - 2 1/3 ;
2) ∫₂³ e⁻ˣdx = - e⁻ˣ │₂³ = - e⁻³ + e⁻² = 1/e² - 1/e³ = ( e³ - e²)/e³ = e³/e³ - e²/e³ = 1 - e⁻¹ .
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Ответ:
.............llllllll..................
Пошаговое объяснение:
1 ) ∫₁²( 1/х -х² )dх = (ln| x | - x³/3 )│₁² = ( ln| 2 | - 2³/3 ) - ( ln| 1 | - 1³/3 ) = ln2 - 2 /2/3 -
- ln1 + 1/3 = ln2 - 2 1/3 ;
2) ∫₂³ e⁻ˣdx = - e⁻ˣ │₂³ = - e⁻³ + e⁻² = 1/e² - 1/e³ = ( e³ - e²)/e³ = e³/e³ - e²/e³ = 1 - e⁻¹ .