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secondary 3 | E Maths
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rui
Rui

secondary 3 chevron_right E Maths chevron_right Singapore

I don't know how to do these kinda questions :(

Date Posted: 2 months ago
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Eric Nicholas K
Eric Nicholas K's answer
1242 answers (Tutor Details)
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Part (i), rationalisation using conjugates.

Part (ii), the trick is, use the resource from part (i), then rearrange them a bit and you will see common things. This method is known as the method of differences.