Matematik

P(-1)=-2 P(-2)=3
P(x)=(x²+3x+2).k+Q(x)
Q(x)=ax+b olsun
P(x)=(x+1).(x+2).k+ax+b
P(-1)=-a+b=-2
P(-2)=-2a+b=3
a-b=2
-2a+b=3
-a=5 a=-5 b=-7
Q(x)=-5x-7
Q(-3)=-5.(-3)-7=15-7=8