Question

ie polinoamele P(X ) = −X la putera 4 −8X la putera 3 + Xla putera 2 − 3X şi Q(X ) = X la putera 3 + 5X la putera 2 .
1) Efectuaţi:
P(X ) +Q(X ) = S(X );
P(X ) −Q(X ) = D(X );
Q(X ) − P(X ) = R(X ).
urgenttttt

Answer 1

Răspuns:

Explicație pas cu pas:

P(X)=-X^4-8X³+X²-3X

Q(X)=X³+5X²

P(X)+Q(X)=-X^4-8X³+X²-3X+X³+5X²=-X^4-7X³+6X²-3X=S(X)

P(X)-Q(X)=-X^4-8X³+X²-3X-X³-5X²=-X^4-9X³-4X²-3X=D(X)

Q(X)-P(X)=X³+5X²+X^4+8X³-X²+3X=X^4+9X³+4X²-3X=R(X)