The integer k for which the inequality ` x^2 - 2 (4k -1) x+ 15 k^2 -2k -7 gt 0` is valid for any x, is

The integer k for which the inequality x^(2) - 2(4k-1)x + 15k^(2) - 2k - 7 gt 0 is valid for any x is :

25. The integer k for which the inequality x 2 -2(4k-1)x +15k 2 - 2k-7 > 0 is valid for any real x is (a) 2 (b) 3 (c) 4 (d) infinite

25. The integer k for which the inequality x^2 -2(4k 1)x 15k 2k-7 0 is valid for any real x is (2) 3 (3) 4 (4) 5

The integer k ,for which the inequality x^(2)-2(3k-1)x+8k^(2)-7>0 is valid for every x in R is

The number of integral values of k for which the inequality x^(2)-2(4k-1)x+15k^(2)-2k-7 ge0 hold for x in R are _____________

The number of integral values of k for which the inequality x^(2)-2(4k-1)x+15k^(2)-2k-7 ge0 hold for x in R are _____________

Find all values of k for which the inequality, 2x^(2)-4k^(2)x-k^(2)+1gt0 is valid for all real x which do not exceed unity in the absolute value.