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If'n_1 ' is the number of points on the line 3x+4y=5 which is at a distance of1+sin^2 theta ' units form (2,3) and 'n_2 ' denotes number of point on 3x+4y=5which is at a distance of ' sec^2 theta + 2 cosec^2 theta ' unit from (1,3) then sum of the root of n_2x^2-6x+n_1=0 is

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