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Question
If 2 log x + 1 = 40, find: x
Sum
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Solution
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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