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x2–5x–3=0 সমীকরণের মুলদ্বয় α, β হলে 1∝ও 1 βমূলবিশিষ্ট সমীকরণ-
3x2+5x–1=0 
3x2–5x–1=0
5x2+x–3=0
5x2 –x–3=0
ANS : 1
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