akar40×2akar18+3pangkat2
Matematika
naya372
Pertanyaan
akar40×2akar18+3pangkat2
1 Jawaban
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1. Jawaban arinaheriyanti
√40 × 2√20 + 3^2
= √(2^2×10) × 2 √(2^2×5) + 9
= 2√10 × 4√5 + 9
= 8 √50 + 9
= 8 √((5^2) × 2) + 9
= 40 √2 + 9