The integer ′k′, for which the inequality x2–2(3k–1)x+8k2–7>0 is valid for every x in R is :
The integer k for which the inequality x2−2(4k−1)x+15k2−2k−7>0 is valid for any x, is
The integer k for which the inequality
x2−2(4k−1)x+15k2-2k−7>0 is valid for any x, is?