Question

considerando o polinomio P(x)=x^2 - x+1, calcule.

a)P_{1 } b)P_{-1} c)P_{0} d) P{1}{2}

Answer 1

Resposta:

$P(x) = x^{2} - x + 1\\ \\\\P(1) = 1^{2} - 1 + 1\\= 1\\P(-1) = (-1)^{2} - (-1) +1\\ = 3\\P(0) = 0^{2} - 0 + 1\\ = 1$