см. рисунок.................................отметь как лучшее!!!
Y = x^3 + x
Уравнение касательной:
y = f(x0) + f'(x0)*(x - x0)
f(x0) = f(2) = 2^3 + 2 = 8 + 2 = 10
f'(x) = 3x^2 + 1
f'(x0) = f'(x0) = 3*2^2 + 1 = 12 + 1 = 13
y = 10 + 13*(x - 2) = 13x + 10 - 26 = 13x - 16
1) (y+5)^3-25(y+1)^2-y(5-y)^2 =y³+15y²+75y+125-25y²-50y-25-25y+10y²-y³=
=100
<span>2) 5(1-b)^3-1(1-5b)^2+5b(b+1)^2=5-15b+15b</span>²-5b³-1+10b-25b²+5b³+10b²+5b=
=4
14*100-90=1310
1
1)4x^4-4x³+x-5-4x^4+4x^3+5=0
2)4x^4-4x³+x-5+4x^4-4x^3-5=8x^4-8x³-10
2
1)11b³-7b^4y+6by^4-y³+7b³+6b^4y+9by^4-2y³=18b³-b^4y+15by^4-3y³
2)11b³-7b^4y+6by^4-y³-7b³-6b^4y-9by^4+2y³=4b³-13b^4y-3by^4+y³