Question

sabemos que 1 e raiz de polinomio P(x)=3x^4-kx+1 determine p(3)​

Answer 1

P(x)=3x^4-kx+1

P(1)=3.1^4 -k.1 +1 = 0

3 -k +1 = 0

k = 4

P(x)=3x^4 -kx +1

P(3)=3.3^4 -12 +1= 243-11= 232 ✓