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Mathematics, 26.03.2021 09:00 komari0217

prove that the acute angle between the straight lines represented by equation (3b^2-a^2)x^2-8abxy+(3a^2-b^2)y^2=0 is 60 degree

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prove that the acute angle between the straight lines represented by equation (3b^2-a^2)x^2-8abxy+(3...

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