The number of integral solution(s) of $(x - 5)^{5} (x - 8)^{8} (x - 11)^{11} < 0$ is

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Solution

$(x - 5)^{5} (x - 8)^{8} (x - 11)^{11} < 0$

From wavy curve method,
$x \in (5, 8) \cup (8, 11)$
Possible integers are $6, 7, 9, 10$
So, the number of integral values is $4$

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