Question

The roots of
ax²+bx+ c=0 are real
and negative.
a, b, c are real. Then
ax²+b|x|+ c=0
has :-​

Answer 1

Answer:

Let f(x)=ax

2

+bx+c

Given f(1)<0 and f(x)=0 has no real roots, then we can say that f(x)<0 for all x.

So, f(0)<0.

So, we get c<0.