Ethan Lie's answer to Tara's Secondary 4 A Maths Singapore question.
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initially it might look confusing. Thus you should first expand the equation and simplify. When you do so, you will be able to see how you can integrate individual terms easily.
Date Posted:
4 years ago
Tara, to add, you cannot integrate x, x - a and x + a separately and multiply the results. You will have to expand in everything first.
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