If 2 Log X + 1 = 40, Find: X - Mathematics

If 2 log x + 1 = 40, find: x

Sum

2 log x + 1 = 40
⇒ 2log x = 39
⇒ logx² = 39
⇒ x² = 10³⁹
⇒ x = `10^(39/2)`.

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Expansion of Expressions with the Help of Laws of Logarithm

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Chapter 10: Logarithms - Exercise 10.2

Chapter 10 Logarithms
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