Log Negatif Satu Nol

Teorema:

log left( { - 1} right) = 0

Pembuktiannya:

log left( { - 1} right)^2= 2 times log left( { - 1} right) …………………(*)

Sementara itu:

log left( { - 1} right)^2=log 1=0 ……………………(**)

Dari (*) dan (**) diperoleh:

2 times log left( { - 1} right)=0

Bagi ke dua ruas dengan 2, diperoleh:

log left( { - 1} right) = 0………………………………… Terbukti

Sumber: ahajokes.

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