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1. ∫√1+/1−x dx=f(x)+c হলে ∫▒〖(x)〗 এর মান-

  • A. sin-1x - 1-x2 )<
  • B. sin-1x - 1-x2 )<
  • C. sin-1x - 1-x2 )<
  • D. sin-1x - 1-x2 )<

Answer: Option A

Explanation:

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