1 . যদি (x, y), (p,q) এবং মূলবিন্দু সমরেখ হয়, তবে (If (x, y) (p,q) and the origin are collinear, then)

• A. px = qy
• B. qx = py
• C. xy = pq
• D. qx + py = 0

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Answer: Option B

Explanation: