Question

a partir do polinômio P(x)=x⁴+x³+x²+x-1, então P=(1/2), vale quanto?

Answer 1

(1/2)⁴+(1/2)³+(1/2)²+1/2 -1

1/16 +1/8 +1/4 +1/2 -1

1/16 +2/16 +4/16 +8/16 -16/16

(1 + 2 + 4 + 8 -16)/16

(15 -16)/16

-1/16