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If Log 10 X = A, Express the Following in Terms of X: 10 -a - Mathematics

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Question

If log 10 x = a, express the following in terms of x: 10 -a 

Sum

Solution

10 -a 
log 10 x = a
⇒ x = 10 a 
∴ 10 -a
= x-1
= `(1)/x`.

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Interchanging Logarithmic and Exponential Forms - Logarithmic to Exponential
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Chapter 10: Logarithms - Exercise 10.1

APPEARS IN

Frank Mathematics [English] Class 9 ICSE
Chapter 10 Logarithms
Exercise 10.1 | Q 5.3
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