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What is the condition for a pair of lines ax2 + 2hxy + by2 + 2gx +2fy + c = 0 to be perpendicular to each other ? |
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Answer» What is the condition for a pair of lines ax2 + 2hxy + by2 + 2gx +2fy + c = 0 to be perpendicular to each other ? |
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