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प्रश्न
If log 2 = x and log 3 = y, find the value of each of the following on terms of x and y: log1.2
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उत्तर
log1.2
= `"log"(12/10)`
= log 12 - log 10
= log (22 x 3) - 1
= log 22 + log 3 - 1
= 2 log 2 + log 3 - 1
= 2x + y - 1.
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