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Let A = \x \in \mathbbR : [x + 3] + [x + 4] \le 3\, and B = \left\ x \in \mathbbR : 3^x \left( ∑_r=1^\infty 3/10^r \right)^x - 3 < 3^-3x \right\, where [\,] denotes the greatest integer function. Then, | Watch the step-by-step video solution for this NIMCET PYQ.