Answers

2014-12-24T07:11:41+05:30

Logarithm of a positive number x to the base a ( a is a positive number not equal to 1 ) is the power y to which the base a must be raised in order to produce the number x. 

logax =y because ay=x     a > 0 and a ≠ 1




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2014-12-24T10:42:47+05:30

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Example:log 3^{9}
To find log for this firstly ask to yourself that "to what power is can 3 be raised to get 9 as the answer?"
Then you would get the answer as 2 because  3^{2} =9
So the answer is 2.
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