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secondary 3 | A Maths
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pls help with (ii)
ans to (i) is 1-6x +15x² -20x³ + ...
Date Posted: 10 months ago
Views: 148
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done
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clear
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When expanding (2x^2 - x)^2 and (2x^2 - x)^3, we only keep those terms in x^2 and x^3 and drop the others.
Date Posted:
10 months ago
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