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प्रश्न
Find the logarithm of : 32 to the base 4
योग
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उत्तर
Let log432 = x
∴ 4x = 32
⇒ (22)x = 2 x 2 x 2 x 2 x 2
⇒ 22x = 25
⇒ 2x = 5 .....[ If am = an ; then m = n ]
⇒ x = `5/2`
∴ log432 = `5/2`
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Interchanging Logarithmic and Exponential Forms
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