📢 Too many exams? Don’t know which one suits you best? Book Your Free Expert 👉 call Now!

  • google app store apple app store
  • ✖

      Question

      The area of a square is 81x²+72x+16. Find the measure

      of each side of the square, where x > 0.
      A 1 Correct Answer Incorrect Answer
      B 2 Correct Answer Incorrect Answer
      C 3 Correct Answer Incorrect Answer
      D 4 Correct Answer Incorrect Answer

      Solution

      The area of a square = 81x² + 72x + 16   = (9x) ² + 2 x 9x x 4 + (4)2   = (9x + 4)2 Now,   a² = (9x + 4)2 a=9x + 4 Taking 2 as common, we get. =2(9x/2 + 2)   The required value is 2(9x/2 + 2)

      Practice Next

      Relevant for Exams:

      ask-question