Dane są wielomiany. Wykonaj działania:
W(x)=-2x²+6x
Q(x)=x²-3x-1
P(x)= x⁴-2
a) 2*Q(x)-W(x)=
b) W(x)*P(x)=
c) 3*P(x)+W(x)=
d) P(x)-Q(x)=
błagam! DAJE NAJ !
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a) 2Q(x)-W(x)=
=2*[x²-3x-1]-[-2x²+6x]=
=2x²-6x-2+2x²-6x=
=4x²-2
==============
b) W(x)P(x)=
=[-2x²+6x]*[x⁴-2]=
=-2x⁶+6x⁵+4x²-12x
==============
c)3P(x)+W(x)=
=3*[x⁴-2]-2x²+6x=
=3x⁴-2x²+6x-6
==============
d) P(x)-Q(x)=
=x⁴-2-[x²-3x-1]=
=x⁴-2-x²+3x+1=
=x⁴-x²+3x-3