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प्रश्न
If log 2 = 0.3010, log 3 = 0.4771 and log 5 = 0.6990, find the values of: log45
बेरीज
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उत्तर
log45
= log (32 x 5)
= log 32 + log 5
= 2 log 3 + log 5
= (2 x 0.4771) + 0.6990
= 1.6532.
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Expansion of Expressions with the Help of Laws of Logarithm
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