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प्रश्न
Choose the correct alternative:
One of the equation of the lines given by x2 + 2xy cot θ – y2 = 0 is
विकल्प
x − y cot θ = 0
x + y tan θ = 0
x cos θ + y(sin θ + 1) = 0
x sin θ + y(cos θ + 1) = 0
उत्तर
x sin θ + y(cos θ + 1) = 0
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