What is the condition if point (2,3) lies in acute angle made by a pair of Straight Lines : ax^2+2hxy+by^2+2gx+2fy+c=0?
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What is the condition if point (2,3) lies in acute angle made by a pair of Straight Lines : ax^2+2hxy+by^2+2gx+2fy+c=0?
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