ToLong dibantuyah myfriends: g(x)=hx^4-5x^3+2ax^2+x+1 mempunyai faktor (x+1) tentukan nilai a

Bab Polinomial
Matematika SMA Kelas XI

x + 1 = 0
x = -1

g(x) = x⁴ - 5x³ + 2ax + x + 1
g(-1) = (-1)⁴ - 5(-1)³ + 2a . (-1) + (-1) + 1 = 0
1 + 5 - 2a = 0
-2a = -6
a = 3