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NTA Abhyas JEE Main2020MathematicsStraight LinesPractice

The area (in square units) of the triangle bounded by x = 4 and the lines y 2 - x 2 + 2 x = 1 is equal to

Options

  1. A3
  2. B6
  3. C12
  4. D9

Correct answer

D. 9

Step-by-step solution

The given lines are x = 4 ,   y = x - 1 ,   y = 1 - x Hence, the bounded area = 1 2 3 2 2 = 9 sq. units

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