Eric Nicholas K's answer to rui's Secondary 3 E Maths Singapore question.
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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.
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.
Date Posted:
5 years ago
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