Question on: JAMB Mathematics - 2007
Evaluate (\frac{(0.5625)^2 - (0.4375)^2}{0.04})
A
0.131
B
3.11
C
3.12
D
3.13
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Correct Option: D
(\frac{(0.5625)^2 - (0.4375)^2}{0.04}) = (\frac{(0.5625 - 0.4375)(0.5625 - 0.4375)}{0.04})
= (\frac{0.1250 \times 1}{0.04})
= (\frac{12.50}{0.04})
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