There's a feeling's answer to yyqx_'s Secondary 4 E Maths Singapore question.
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For (i), use the properties of V1/V2=(L1/L2)^3 and A1/A2=(L1/L2)^2.
For (ii), express r in the form of d so that there'll only be one unknown
For (ii), express r in the form of d so that there'll only be one unknown
Date Posted:
3 years ago
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