the polynomial x^3+2x+3has
Answers
Answered by
1
Step-by-step explanation:
x+3 =0
x=-3
p(x) = x3+3x2-kx -3
p(-3) = (-3)3 + 3(-3)2 -k(-3) -3 = 0
= -27 +27 +3k- 3 = 0
= 3k-3 = 0
= 3k =3
= k =3/3
Similar questions