



 
Hi Indrajit. I think what you've done is sensible. Recall that (a2)(a1) is a quadratic. Thus (a2)(a1) < 2 becomes a(a3) < 0. Thus, a > 0 and (a3) < 0 in This means that 0 < a < 3. Now revert to logx = a and exponentiate with 1 < x < 1000. I did a quick graph and it looks correct. Hope this helps,  


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