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      Question

      src="https://www.ixambee.com/questionimage/Chapter/1709289939-67.JPG" alt="" />
      A 9/20 Correct Answer Incorrect Answer
      B 20/41 Correct Answer Incorrect Answer
      C 3/20 Correct Answer Incorrect Answer
      D 41/20 Correct Answer Incorrect Answer

      Solution

      x² + y² = 41 xy=20 then – (x+y)2= x² + y²+2xy =41+2×20=81 x+y =9…. =9/20.

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