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222-9+11+12:2*14+14 = ? ( )

Toán Lớp 12: Phân tích định hồi ảo sau: $D^{i^{2}}[5^{2n+3}]-D^{-1}[3^{5n+2}]=?$

Toán Lớp 12: Phân tích định hồi ảo sau:
$D^{i^{2}}[5^{2n+3}]-D^{-1}[3^{5n+2}]=?$

Comments ( 1 )

  1. Giải đáp:
    D^{i^2}[5^{2n+3}]-D^{-1}[3^{5n+2}]
    = log_2(5^{2n+3})-log_2(3^{5n+2})
    = log_2(5^{2n+3}/3^{5n+2})
    Áp dụng:
    D^{i^2}[x]=D^{-1}[x]=log_2[x]
    log_a x-log_a y=log_a(x/y)

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222-9+11+12:2*14+14 = ? ( )

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