Question

помогитеее прошуу по алгебре

Answer 1

Δx=x-x₀=1.1-1=0.1
Δy=y(x)-y(x₀)
$y(1.1)=1.1^{2}+2*1.1=1.21+2.2=3.41$
$y(1)=1^{2}+2*1=1+2=3$
Δy=y(x)-y(x₀)=3.41-3=0.41
lim(Δx->0) (Δy/Δx)=lim(Δx->0) (0.41/0.1)=4.1