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QUESTION
Q
What is the value of the following expression:2 log105 + log104 ?
Solution
2 log105 + log104 = log1052 + log104 = log1025 + log104= log10(25 × 4) = log10100= log10102 = 2 log1010= 2
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Solution
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Keynote
m logna = lognamlogna + lognb = lognablognn = 1
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