Nguyễn Bảo Ngân
Giới thiệu về bản thân
a) P(x)+Q(x)= (x^4 -5x^3 +4x -5) +(-x^4 +3x^2 +2x +1)
=x^4 -5x^3 +4x -5 -x^4 +3x^2 +2x +1
P(x)+Q(x)=-5x^3 +3x^2 +6x -4
b) P(x)=R(x)+Q(x)
R(x)=P(x)-Q(x)
=(x^4 -5x^3 +4x -5) -(-x^4 +3x^2 +2x +1)
=x^4 -5x^3 +4x -5 +x^4 -3x^2 -2x -1
R(x)=2x^4 -5x^3 -3x^2 +2x -6
a) P(x)+Q(x)= (x^4 -5x^3 +4x -5) +(-x^4 +3x^2 +2x +1)
=x^4 -5x^3 +4x -5 -x^4 +3x^2 +2x +1
P(x)+Q(x)=-5x^3 +3x^2 +6x -4
b) P(x)=R(x)+Q(x)
R(x)=P(x)-Q(x)
=(x^4 -5x^3 +4x -5) -(-x^4 +3x^2 +2x +1)
=x^4 -5x^3 +4x -5 +x^4 -3x^2 -2x -1
R(x)=2x^4 -5x^3 -3x^2 +2x -6
a) P(x)+Q(x)= (x^4 -5x^3 +4x -5) +(-x^4 +3x^2 +2x +1)
=x^4 -5x^3 +4x -5 -x^4 +3x^2 +2x +1
P(x)+Q(x)=-5x^3 +3x^2 +6x -4
b) P(x)=R(x)+Q(x)
R(x)=P(x)-Q(x)
=(x^4 -5x^3 +4x -5) -(-x^4 +3x^2 +2x +1)
=x^4 -5x^3 +4x -5 +x^4 -3x^2 -2x -1
R(x)=2x^4 -5x^3 -3x^2 +2x -6
a) P(x)+Q(x)= (x^4 -5x^3 +4x -5) +(-x^4 +3x^2 +2x +1)
=x^4 -5x^3 +4x -5 -x^4 +3x^2 +2x +1
P(x)+Q(x)=-5x^3 +3x^2 +6x -4
b) P(x)=R(x)+Q(x)
R(x)=P(x)-Q(x)
=(x^4 -5x^3 +4x -5) -(-x^4 +3x^2 +2x +1)
=x^4 -5x^3 +4x -5 +x^4 -3x^2 -2x -1
R(x)=2x^4 -5x^3 -3x^2 +2x -6
a) P(x)+Q(x)= (x^4 -5x^3 +4x -5) +(-x^4 +3x^2 +2x +1)
=x^4 -5x^3 +4x -5 -x^4 +3x^2 +2x +1
P(x)+Q(x)=-5x^3 +3x^2 +6x -4
b) P(x)=R(x)+Q(x)
R(x)=P(x)-Q(x)
=(x^4 -5x^3 +4x -5) -(-x^4 +3x^2 +2x +1)
=x^4 -5x^3 +4x -5 +x^4 -3x^2 -2x -1
R(x)=2x^4 -5x^3 -3x^2 +2x -6
a) P(x)+Q(x)= (x^4 -5x^3 +4x -5) +(-x^4 +3x^2 +2x +1)
=x^4 -5x^3 +4x -5 -x^4 +3x^2 +2x +1
P(x)+Q(x)=-5x^3 +3x^2 +6x -4
b) P(x)=R(x)+Q(x)
R(x)=P(x)-Q(x)
=(x^4 -5x^3 +4x -5) -(-x^4 +3x^2 +2x +1)
=x^4 -5x^3 +4x -5 +x^4 -3x^2 -2x -1
R(x)=2x^4 -5x^3 -3x^2 +2x -6
a) P(x)+Q(x)= (x^4 -5x^3 +4x -5) +(-x^4 +3x^2 +2x +1)
=x^4 -5x^3 +4x -5 -x^4 +3x^2 +2x +1
P(x)+Q(x)=-5x^3 +3x^2 +6x -4
b) P(x)=R(x)+Q(x)
R(x)=P(x)-Q(x)
=(x^4 -5x^3 +4x -5) -(-x^4 +3x^2 +2x +1)
=x^4 -5x^3 +4x -5 +x^4 -3x^2 -2x -1
R(x)=2x^4 -5x^3 -3x^2 +2x -6
a) P(x)+Q(x)= (x^4 -5x^3 +4x -5) +(-x^4 +3x^2 +2x +1)
=x^4 -5x^3 +4x -5 -x^4 +3x^2 +2x +1
P(x)+Q(x)=-5x^3 +3x^2 +6x -4
b) P(x)=R(x)+Q(x)
R(x)=P(x)-Q(x)
=(x^4 -5x^3 +4x -5) -(-x^4 +3x^2 +2x +1)
=x^4 -5x^3 +4x -5 +x^4 -3x^2 -2x -1
R(x)=2x^4 -5x^3 -3x^2 +2x -6
a) P(x)+Q(x)= (x^4 -5x^3 +4x -5) +(-x^4 +3x^2 +2x +1)
=x^4 -5x^3 +4x -5 -x^4 +3x^2 +2x +1
P(x)+Q(x)=-5x^3 +3x^2 +6x -4
b) P(x)=R(x)+Q(x)
R(x)=P(x)-Q(x)
=(x^4 -5x^3 +4x -5) -(-x^4 +3x^2 +2x +1)
=x^4 -5x^3 +4x -5 +x^4 -3x^2 -2x -1
R(x)=2x^4 -5x^3 -3x^2 +2x -6
a) P(x)+Q(x)= (x^4 -5x^3 +4x -5) +(-x^4 +3x^2 +2x +1)
=x^4 -5x^3 +4x -5 -x^4 +3x^2 +2x +1
P(x)+Q(x)=-5x^3 +3x^2 +6x -4
b) P(x)=R(x)+Q(x)
R(x)=P(x)-Q(x)
=(x^4 -5x^3 +4x -5) -(-x^4 +3x^2 +2x +1)
=x^4 -5x^3 +4x -5 +x^4 -3x^2 -2x -1
R(x)=2x^4 -5x^3 -3x^2 +2x -6