Q. 15 A non-zero polynomial f ^xh of degree 3 has roots at x = 1, x = 2 and x = 3.
Which one of the following must be TRUE?
(A) f(0)f(4) < 0
(B) f(0)f(4) > 0
(C) f(0) + f(4) < 0
(D) f(0) + f(4) > 0
Answer: (A)
Explanation:
Q. 15 A non-zero polynomial f ^xh of degree 3 has roots at x = 1, x = 2 and x = 3.
Which one of the following must be TRUE?
(A) f(0)f(4) < 0
(B) f(0)f(4) > 0
(C) f(0) + f(4) < 0
(D) f(0) + f(4) > 0
Answer: (A)
Explanation:
