Erfana Beevee Binte Hassan Shariff's answer to Isaac's Secondary 3 E Maths Singapore question.
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For 2(b), express the root of 9 in index form, then change to base 3 so that the powers can be equated using the law, a^m=a^n,-> m=n.
For (3), use law of indices to simplify, then use the law a^-m =1/a^m to change to positive index.
For (3), use law of indices to simplify, then use the law a^-m =1/a^m to change to positive index.
Date Posted:
8 months ago
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