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If the inequality (k + 4) x^2 – 2kx + 2k – 6< 0 is satisfied for all real x, then the largest integral value of k is

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If the inequality (k + 4) x2 – 2kx + 2k – 6< 0 is satisfied for all real x, then the largest integral value of k is

(a) –10

(b) 4

(c) –4

(d) –7

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Correct option  (d) –7

Explanation:

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