Jika 9^m+1 - 2×9m = 14, tentukan 27^m =
Matematika
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Pertanyaan
Jika 9^m+1 - 2×9m = 14, tentukan 27^m =
1 Jawaban
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1. Jawaban opangunnie
9^m.9¹-18m=14
9.9^m=14+18m
9^m=14+18m:9
(3^m)²=14/9+2m
3^m=√14/9+2m
27^m=(3^m)³
=(√14/9+2m)³
=14/9+2m√14/9+2m
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