What must be added to 4x2 - 4 to make it a perf... - JAMB Mathematics 1990 Question
What must be added to 4x2 - 4 to make it a perfect square?
A
\(\frac{-1}{x^2}\)
B
\(\frac{1}{x^2}\)
C
1
D
-1
correct option: b
(2x \(\frac{-1}{4}\)2 = 4x2 + \(\frac{1}{x^2}\) - 4
what must be added is +\(\frac{1}{x^2}\)
what must be added is +\(\frac{1}{x^2}\)
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