1.

If the acute angles between the pairs of lines 3x2−7xy+4y2=0 and 6x2−5xy+y2=0 be θ1 and θ2 respectively, then

Answer»

If the acute angles between the pairs of lines 3x27xy+4y2=0 and 6x25xy+y2=0 be θ1 and θ2 respectively, then




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