Which of the following equations is not equivalent to 25x2 = y2 - 4?

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Equation and Inequality

প্রশ্নঃ Which of the following equations is not equivalent to 25x2 = y2 - 4?

  • ক. 25x2 + 4 = y2
  • খ. 7x2 = 3y2 - 12
  • গ. 25x2 = (y + 2)(y - 2)
  • ঘ. 5x = y - 2

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Equation and Inequality