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Ram Sharma • 193.88K Points
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Q. Which of the following is not a quadratic equation? 

  • (A) 2(x – 1)² = 4x² – 2x + 1
  • (B) 2x – x² = x² + 5
  • (C) (√2x + √3 )² + x² = 3x² – 5x
  • (D) (x² + 2x)² = x4 + 3 + 4x3
Correct Answer - Option (C)
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