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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
\(\frac{18y^2}{4}\)
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Correct Option: D

4x2 - 18xy + g = g (\to) ((\frac{18y}{4}))2

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

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