помогите решить срочно!!!! 1)у=4х^5-9х+ln7 2)у=1/х^2+e^2 3)y=(x-1)(4-x^2). Created by ckorelina. algebra-ru

х^2+e^2 3)y=(x-1)(4-x^2)...

katrin235 Я понимаю, что производные надо искать?
1)у=4х^5-9х+ln7
y' = 20x^4 -9

2)у=1/х^2+e^2
y'= -1/x^3

3)y=(x-1)(4-x^2)
y' = (x-1)'(4-x^2) + (x-1)(4-x^2)' =4-x^2 + (x-1)(-2x) = 4 - x^2 -2x^2 +2x =
=4 + 2x

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sharadi 3-й неверно сделан...

sharadi

Verified answer

1) y=20x^4-9+ln7
2)y=1/2x+e^2
3)y=(x-1)'(4-x^2)-(x-1)(4-x^2)'/(x-1)(4-x^2)=4-x^2-(x-1)*2x/(x-1)(4-x^2)

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