Question

Sendo P(x) = x 4 + 2x 3 – K. x 2 +6 x + 12 , determine o valor de K, sabendo
que p(2) = 30.

Answer 1

Resposta:

P(x) = x⁴ + 2x³ - k* x² +6 x + 12

P(2)=2⁴ + 2*2³ - k* 2² +6*2+ 12 =30

16+16 -4k+12+12=30

-4k = 30-16-16-12-12

-4k = -26

k=13/2