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प्रश्न
If log 27 = 1.431, find the value of the following: log 9
उत्तर
log 27
= log 33
= 3 log 3
= 1.431
⇒ log 3
= `(1.431)/(3)`
= 0.477
∴ log 9
= log 32
= 2 log 3
= 2 x 0.477
= 0.954.
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