If the angle between the lines given by x^2-3xy+ y^2+3x-5y+2=0; 0 is ^ -1 ( 1 3 ), then the value of is

MHT CET 2023 Mathematics question

If the angle between the lines given by is , then the value of is

Answer: (B)

Compare with : , , . The angle between the lines satisfies . Squaring,

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Question ID VK-098077