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Determine all real values of for which the inequality holds for every real .
MATHEMATICS · Subjective · ISC · Mathematics · Algebra · Algebra
Problem
Determine all real values of
k
k
k
for which the inequality
x
2
+
2
x
+
k
>
0
x^2+2x+k>0
x
2
+
2
x
+
k
>
0
holds for every real
x
x
x
.
Related theory
Nature of Roots
Quadratic Equations
Linear Inequalities
Inequalities
Algebra
Functions
Quadratic and rational inequalities
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