2007*log5(1)+log4(27)*log3(4)

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2007*log5(1)+log4(27)*log3(4)
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2007*log5(1)+log4(27)*log3(4)
2007*log5(1)+log4(27)*log3(4)

2007*log5(1)+log4(27)*log3(4)

2007*log5(1)+log4(27)*log3(4)
=2007*0+(lg27/lg4)*(lg3/lg4)
=lg27/lg3
=lg3³/lg3
=3lg3/lg3
=3

2007*log5(1)+log4(27)*log3(4)
=2007*0+(lg27/lg4)*(lg4/lg3)
=lg3^3/lg3
=3lg3/lg3
=3