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Evaluate the following: log_(sqrt(3)) 27 - Mathematics

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प्रश्न

Evaluate the following:

`log_(sqrt(3)) 27`

मूल्यांकन
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उत्तर

Given: `log_(sqrt(3)) 27`

Step-wise calculation:

Write both base and argument as powers of 3:

`sqrt(3) = 3^(1/2)` and 27 = 33.

Therefore `log_(sqrt(3))27 = log_(3^(1/2))(3^3)`.

Use the identity

`log_(a^r)(a^s) = s/r`

To get `log_(3^(1/2))(3^3) = 3 ÷ (1/2)`

`log_(3^(1/2))(3^3) = 6`

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पाठ 7: Logarithms - Exercise 7A [पृष्ठ १४०]

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नूतन Mathematics [English] Class 9 ICSE
पाठ 7 Logarithms
Exercise 7A | Q 3. (ii) | पृष्ठ १४०
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