Y(1)1+1=2
y`=3x²+2x
y`(1)=3+2=5
Y=2+5(x-1)=2+5x-5=5x-3
<span>(9a^2-6a+1)/1-3a+b-3ab=(3a-1)^2/(1+b)-3a(1+b)=(3a-1)^2/(1+b)(1-3a)=-(3a-1)/(1+b)</span>
{y=4x-9
{3x+7(4x-9)=-1
3x+28x-62=0
31x=62
x=2
y=8-9=-1
Prjamaja y = -2x+4 imeet točky perecečenija s koordinatami: X/2,0/ i Y/0,4./
S(XOY) = 0,5.2.4 = 4