If log k A-log 5 k -3- then A -A- k 3B- 5 k 3C- 125D- 243

The correct option is C 125log_5 A=3⇒ A=5^3 ...

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Fundamental Laws of Logarithms

If log k A.lo...

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If $l o g_{k} A . l o g_{5} k = 3$ , then A=

5 k^{3}

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k^{3}

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125

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243

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