What value of g will make the expression 4x2 - ... - JAMB Mathematics 1997 Question
What value of g will make the expression 4x2 - 18xy + g a perfect square?
A
9
B
\(\frac{9y^2}{4}\)
C
81y^2
D
\(\frac{18y^2}{4}\)
correct option: d
4x2 - 18xy + g = g \(\to\) (\(\frac{18y}{4}\))2
= \(\frac{18y^2}{4}\)
= \(\frac{18y^2}{4}\)
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