SOLUTION: given that log27(base a)+log4(base b)=5 and log27(base a)-log4(base b)=1 without using tables,find the values of a and b
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-> SOLUTION: given that log27(base a)+log4(base b)=5 and log27(base a)-log4(base b)=1 without using tables,find the values of a and b
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Question 413995
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given that log27(base a)+log4(base b)=5 and log27(base a)-log4(base b)=1 without using tables,find the values of a and b
Answer by
solver91311(24713)
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Let
Let
Then
Using elimination
Hence:
But the base of a logarithm function is restricted to the positive reals, hence
John
My calculator said it, I believe it, that settles it