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Let x=log A and y=log B
a) By definition, express A in terms of x.
b) By definition, express 10^y in term of B
c) Hence express AB as p power of 10
急 ! Logarithmic Function 9qEX
2012-05-08 5:47 pm
回答 (1)
2012-05-08 7:09 pm
✔ 最佳答案
Let x=log A and y=log Ba) By definition, express A in terms of x.
x=logA
10^x=10^logA=AA=10^x
b) By definition, express 10^y in term of B
y=logB
10^y=10^logB=B
B=10^y
c) Hence express AB as p power of 10
AB=10^x*10^y=10^(x+y)
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