Both Positive & Negative
How many integers are there such that the function has both positive and negative values in the domain
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1 solution
So a has to satisfy: 2 a − 1 0 8 < 0 < = > a < 5 4 , 6 a − 1 0 8 > 0 < = > a > 1 8 ⇒ R e s u l t = 5 4 − 1 8 − 1 = 3 5