а) x^6-1-3x^4+3x^2
F(x)=x^7/7-3x^5/5+x^3-x
F(0)=0
F(1)=1/7-3/5+1-1=1/7-3/5=-16/35
б)=-16/35
б)S=1/2*1*1+integ(-x^3)[-1;0]=1/2+x^4/4(-1)=3/4
1) x^2 + 0,8x + 0,16 - 4x^2 = 0
(x + 0,4)^2 - (2x)^2 = 0
(x + 0,4 - 2x)(x + 0,4 + 2x) = 0
(0,4 - x)(3x + 0,4) = 0
x1 = 0,4; x2 = -0,4/3 = -2/15
2) 4x^2 - 11x = 0
x(4x - 11) = 0
x1 = 0; x2 = 11/4
3) 2x(x - 8)^2 - x^2*(x - 8) = 0
x(x - 8)(2(x - 8) - x) = x(x - 8)(2x - 16 - x) = x(x - 8)(x - 16) = 0
x1 = 0; x2 = 8; x3 = 16
- 15a - b -2+14a= - a - b -2
при а= -29, b= -2
-( -29) - (-2)-2=29+2-2=29
m^4 -3m³n +m²n² -m³n -4mn³ =m^4 - 4m³n +m²n² - 4mn³=m³(m -4n)+mn²(m -4n)=(m³+mn²)(m-4n)=m(m²+n²)(m-4n)
при m= -1, n=1
-((-1)² +1²)(-1-4)= - 2*(-5)=10