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प्रश्न
If log 8 = 0.90, find the value of each of the following: log4
उत्तर
log 4
log 8
= log23
= 3 log 2
= 0.90
⇒ log 2
= 0.90 / 3
= 0.3
∴ log 4
= log22
= 2 log 2
= 2 x 0.30
= 0.60.
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