Question on: JAMB Mathematics - 1990
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
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Correct Option: B
(2x (\frac{-1}{4})2 = 4x2 + (\frac{1}{x^2}) - 4
what must be added is +(\frac{1}{x^2})
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