keltaylor

17.02.2021 • 

Mathematics

Question : \int_{5}^{8} 2x^2 e^{4x} dx∫ ​5
​8
​​ 2x
​2
​​ e
​4x
​​ dx
e^{20}(481e^{12} - 181)e
​20
​​ (481e
​12
​​ −181)
\frac{1}{16}e^{20}(481e^{12} - 181)
​16
​
​1
​​ e
​20
​​ (481e
​12
​​ −181)
\frac{1}{4}e^{20}(481e^{12} - 181)
​4
​
​1
​​ e
​20
​​ (481e
​12
​​ −181)
\frac{1}{8}e^{20}(481e^{12} - 181)
​8
​
​1
​​ e
​20
​​ (481e
​12
​​ −181)
plz help, u win something if u solve this

Ответ:

maxstmichel3868

25.12.2020

Mathematics

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Step-by-step explanation:

y = -x²+8x-12

 = -(x²-8x) - 12

 = -(x²-8x+4²)+4²-12

 = -(x-4)² + 4

vertex (4,-4)

axis of symmetry: x = 4

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