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Given a,b, c are three distinct real numbers satisfying the inequality `a-2b+4c gt0` and the equation `ax ^(2) + bx +c =0` has no real roots. Then the possible value (s) of `(4a +2b+x)/(a+3b+9c)` is/are:

A

2

B

`-1`

C

3

D

`sqrt2`

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The correct Answer is:
A, C, D
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