The integral value of $k$ for which $x^2-2(4 k-1) x+15 k^2-2 k-70$ for all $x \in \mathbb{R}$ is

Question

The integral value of $k$ for which $x^2-2(4 k-1) x+15 k^2-2 k-7>0$ for all $x \in \mathbb{R}$ is

Aicharya · Accepted Answer

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The integral value of $k$ for which $x^2-2(4 k-1) x+15 k^2-2 k-7>0$ for all $x \in \mathbb{R}$ is