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Question
Find the logarithm of : 0.1 to the base 10
Sum
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Solution
Let log100.1 = x
∴ 10x = 0.1
⇒ 10x = `1/10`
⇒ 10x = 10-1
⇒ x = - 1 ......[ If am = an ; then m = n ]
∴ log100.1 = - 1
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Interchanging Logarithmic and Exponential Forms
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