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secondary 4 | A Maths
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chien
Chien

secondary 4 chevron_right A Maths chevron_right Singapore

send halp

Date Posted: 4 years ago
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Eric Nicholas K
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The second one is not easy. One thing we must recognise is that the definite integral of a curve below the x-axis will yield a negative value, so we must "modulus" this negative value to make the area under/over a graph positive.