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  9. Q139

APSC CCE 2023 · Question 139 of 163

4x²+9y²+16z²+12xy+24yz+16xz is equal to

Quantitative Aptitude

  1. A(2x−3y−4z)²
  2. B(2x+3y−4z)²
  3. C(2x+3y+4z)²Correct
  4. DCannot be determined

Answer: C. (2x+3y+4z)²

Explanation

The expression is the perfect square (2x+3y+4z)².

Source: APSC CCE Prelims 2023 GS Paper-II, official Series-A key

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