Question
Question: Both the roots of the given equation \(\left\lbrack - \frac{1}{13},\frac{1}{3} \right\rbrack\) are ...
Both the roots of the given equation
[−131,31] are always.
A
Positive
B
Negative
C
Real
D
Imaginary
Answer
Real
Explanation
Solution
Given equation
kx2+1=
can be re-written as kx+3x−11x2
−11,−3
5,7
5,−7
Hence both roots are always real.