Subject
Quantitative Aptitude
Topic
Algebra
The number of solutions of x2+ 4|x| + 5 = 0 is
The number of solutions of x2+ 4|x| + 5 = 0 is
ক)
0খ)
2গ)
1ঘ)
5ঙ)
4Explanation
|x| is always positive. The given equation is x 2 + 4|x| + 5 = 0 ∴ all the terms on the left hand side are positive. Thus, it will never be equal to zero for any value of x. ∴ Number of roots of the given equation are 0.Related questions
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