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Let f (x) =ax ^(2) +bx + c,a ne 0, such ...

Let `f (x) =ax ^(2) +bx + c,a ne 0,` such the `f (-1-x)=f (-1+ x) AA x in R.` Also given that `f (x) =0` has no real roots and `4a + b gt 0.`
Let `p =b-4a, q=2a +b,` then pq is:

A

Negative

B

Positive

C

0

D

Nothing can

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The correct Answer is:
A
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