PracticeMedium
Q.The number of real roots of the equation 2x² + 5|x| + k = 0 is 4 when k belongs to
a
(0, 25/8)
b
(–25/8, 0)
c
(–25/8, 25/8)
d
none
Correct Answer: Option A
The correct solution involves applying the fundamental concept to derive the final value step by step...