Flag Analytical Geometry> show that the equation (ab-h²)(ax²+2hxy+b...
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show that the equation (ab-h²)(ax²+2hxy+by²+2gx+2fy)+af²+bg²-2fgh=0 represent a pair of straight lines and that these straight lines form a rhombus with the lines ax²+2hxy+by²=0

somrat , 2 Years ago
Grade 6
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