F(x)=x²<span>+3x, x</span>₀<span>=2
</span>f(2)=2²<span>+3*2=10
</span>f⁾(x)=(x²+3x)⁾= 2х+3
f⁾(2)= 2*2+3=7
<span> y= f(x</span>₀) + f’(x₀)*(x - x₀) ⇒ у =10+7*(х-2)
f(x)=x(x-1)=х²-х<span>, k=3
</span>f⁾(x)=(x²-х<span>)= 2х-1
</span>
f⁾(x)=k
2х-1=3
2х=4
х=2 у=х²-х = 2²-2= 2
(2; 2)
D=-4^2-4*2*4=0
X1= 4-0/2=2
X2= 4+0/2=2
A) 3x(a+b) + (a+b).1=(a+b)(3x+1)
B) 2a(m-n) - (m-n).1 = (m-n)(2a-1)
C)4y(c+d) - (c+d).1= (c+d)(4y-1)
Угол Е равен 114,угол Д 57,угол С равен 19