The number of integral values of x, satisfying the inequality (|x|+3)(4−|x|)x2−|x|>0 is
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Solution
(|x|+3)(4−|x|)x2−|x|>0 ⇒(|x|+3)(|x|−4)|x|(|x|−1)<0 ⇒|x|−4|x|−1<0(∵|x|+3>0,|x|>0∀x∈R−{0}) ⇒|x|∈(1,4) ⇒x∈(−4,−1)∪(1,4)
Integral values of x are {−3,−2,2,3}