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Quadratic Equation And Inequalities

JEE Main 2022 (Online) 29th July Morning Shift

MCQ+4 / -12022

যদি \({1 \over {(20 - a)(40 - a)}} + {1 \over {(40 - a)(60 - a)}}\, + \,...\, + \,{1 \over {(180 - a)(200 - a)}} = {1 \over {256}}\), তবে \(a\) এর সর্বোচ্চ মান হল ঃ

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