The integer value of ‘ k ’ such that x^ 2 -2(4 k-1) x+15 k^ 2 -2 k-7>0 x R is
Mathematics · JEE Main · NTA Exams — Complex Numbers and Quadratic Equations
The integer value of ‘k’ such that
\(x^{2}-2(4 k-1) x+15 k^{2}-2 k-7>0\)
\(\forall x \in R\) is
\(x^{2}-2(4 k-1) x+15 k^{2}-2 k-7>0\)
\(\forall x \in R\) is
- \(k=2\)
- \(k=4\)
- \(k=3\)
- \(k=-3\)
Answer
(C) k=3
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