Respuesta:
N=-9/4
Explicación paso a paso:
Suponiendo:
N=log5(125)+log81(27)-log/2(8)
log5(125)
5^x=125
5^x=5^3
x=3
log81(27)
81^x=27
3^(4x)=3^3
4x=3
x=3/4
log/2(8)
(/2)^x=8
2^((1/2)*x)=2^3
(1/2)*x=3
x=6
N=3+3/4-6
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Respuesta:
N=-9/4
Explicación paso a paso:
Suponiendo:
N=log5(125)+log81(27)-log/2(8)
log5(125)
5^x=125
5^x=5^3
x=3
log81(27)
81^x=27
3^(4x)=3^3
4x=3
x=3/4
log/2(8)
(/2)^x=8
2^((1/2)*x)=2^3
(1/2)*x=3
x=6
N=3+3/4-6
N=-9/4