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प्रश्न
If log102 = a and log103 = b; express each of the following in terms of 'a' and 'b' : log 60
उत्तर
log 60
= log1010 x 2 x 3 ...[ logamn = logam + logan ]
= 1 + log102 + log103 ...[ ∵ log1010 = 1 ]
= 1 + a + b ...[ ∵ log102 = a and log103 = b ]
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