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jony jain
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Asked: 2023-01-04T10:17:54+00:00 In:

Check whether the following is quadratic equation: (x – 2)(x + 1) = (x – 1)(x + 3)

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NCERT Solutions for Class X Maths Chapter 4
Quadratic Equations from NCERT Books for Session 2022-2023, CBSE Board and Others state Board
10th Maths EXERCISE 4.1,
Page No:73,
Questions No:1 Part (iii)

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    1. Best Answer

      (x – 2)(x + 1) = (x – 1)(x + 3)
      Simplifying the given equation, we get
      (x – 2)(x + 1) = (x – 1)(x + 3)
      ⇒ x² – 2x + x – 2 = x² – x +3x – 3
      ⇒ – 3x + 1 = 0
      or 3x – 1 = 0
      This is not an equation of type ax² + bx + c = 0.
      Hence, the given equation is a quadratic equation.

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