Question
Question: The number of real solutions of the equation x<sup>2</sup> – \|4x + 12\| + 16 = 0 is-...
The number of real solutions of the equation
x2 – |4x + 12| + 16 = 0 is-
A
1
B
2
C
3
D
4
Answer
1
Explanation
Solution
When x < – 3
⇒ x2 + 4x + 28 = 0
No value of x
when x ≥ – 3
⇒ x2 – 4x + 4 = 0 ⇒ x = 2