loglogloglog..........math高手please come

2008-01-09 5:23 am

如何log3=a，log5=b

問題:
咁log 50^(0.5)=??

回答 (3)

2008-01-09 5:30 am

✔ 最佳答案

log 50^(0.5)
=0.5 log 50
=0.5log(25x2)
=0.5log2+0.5 log 5^2
=0.5(1-log5)+log5
=0.5+0.5log5
=0.5+0.5 b

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2008-01-09 10:47 pm

log 50^(0.5)=1/2log50
=1/2(log100-log2)
=1-1/2(log2)
=1-1/2(log10-log5)
=1/2+1/2b

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2008-01-09 5:36 am

log 50^(0.5)

=0.5 log 50

=0.5log(25x2)

=0.5log2+0.5 log 5^2

=0.5(1-log5)+log5

=0.5+0.5 b

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