What value of g will make the expression 4\(x^2\)- 18xy + g a perfect square?

  • A 9
  • B \(\frac{9y^2}{4}\)
  • C 81\(y^2\)
  • D \(\frac{18y^2}{4}\)
jamb 1997mathematics

The correct answer is D. \(\frac{18y^2}{4}\)

4\(^2\)- 18xy + g = g \(\to\) (\(\frac{18y}{4}\))

= \(\frac{18y^2}{4}\)

Previous question Next question