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logarithms 2

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logarithms 2 [#permalink] New post 02 Oct 2009, 12:07
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consider base as 10
If log 242=a, log 80=b, log 45= c
Q1.express log 36 in terms of a,b,c

a. (c-1)(3c+b-4)/2
b. (c-1)(3c+b-4)/3
c. (c-1)(3c-b-4)/2
d. none of these

Q2.express log 66 in terms of a,b,c
a. [3(a+c)+(2b+5)]/6
b. [3(a+c)+(2b-5)]/6
c. 3(c-1)(3c+b-4)/6
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Re: logarithms 2 [#permalink] New post 02 Oct 2009, 12:44
Didn't think logs were on the curriculum?
Re: logarithms 2   [#permalink] 02 Oct 2009, 12:44
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