ADVANCED EXERCISES - Inequalities

(1) Solve each inequality. 

 (a) (x + 5)2(x + 3)(x - 1)  0

 (b) x(1 - x2)3  7(1 - x2)3

 (c) 4x4 - 25x2 + 36  0

 (d) 1     1       2
     - + -----  ------
     x   x + 1    x + 2

 (e)
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