Q. 20 A polynomial 
with all coefficients positive has
(A) no real roots
(B) no negative real root
(C) odd number of real roots
(D) at least one positive and one negative real root
Answer: D
Explanation:
Q. 20 A polynomial with all coefficients positive has
(A) no real roots
(B) no negative real root
(C) odd number of real roots
(D) at least one positive and one negative real root
Answer: D
Explanation:
