Упростите выражение 24х(9m-11)+(7+5m)x38

<span>=326*(67+33)+174*(29+71)=50000</span>

A) y' = 20x^3-6x
б) y' = (2x*3x-(x^2+1)*3)/(9x^2) = (6x^2-3x^2-3)/(9x^2) = (3x^2-3)/(9x^2) = =(x^2-1)/(3x^2)
в) y' = 2(x-1)*cos(x^2-2x+4)
г) y' = sin(2x) +2xcos (2x)
д) y' = (3x^2)/(√(1+x<span>^3))
e) y' 20(2+5x)</span><span>^3
уравнение 
f(x) = ln(x+1) - 2x
f'(x) = 1</span>/(ln(x+1)) - 2
1<span>/(ln(x+1)) - 2 = 0
</span>ln(x+1) = 1/2
x+1 = <span>√e
x=</span>√e<span>-1</span>

1. 450-50=400
2.810-10=800
3.690-90=600
4.270+20=290
5.320+60=380
6.320+70=390

14,4:3=4,8 -1 часть пути
4,8Х2=9,6 прошел
14,4-9,6=4,8 осталось
прошел 9,6