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1. sin−1{2x1−x2−−−−−√} এর dydx বাহির করো-

  • A. 2/(1−x2)√
  • B. 2/(1−x2)√
  • C. 2/(1−x2)√
  • D. 2/(1−x2)√

Answer: Option A

Explanation:

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