Question
Mathematics Question on Differential equations
Let a , b, c be three real numbers such that a + 2b + 4c = 0. Then the equation ax2 + bx + c = 0
A
(A) has both the roots complex
B
(B) hat its roots lying within – 1 < x < 0
C
(C) has one of roots equal to 1/2
D
(D) has its roots lying within 2 < x < 6
Answer
(C) has one of roots equal to 1/2
Explanation
Solution
Explanation:
14a+12b+c=0(12)2a+(12)b+c=0∴x=12