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Hey Buddy
Here's the Answer
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Here we'll be using a property of logarithm
==> logₐ( x ) = log x / log a
By using above property
==> log₅(3) × log₃(625)
=> ( log 3 / log 5 ) × ( log 625 / log 3 )
Cancelling
=> log 625 / log 5
=> log ( 5 )⁴ / log ( 5 )
=> 4 log ( 5 ) / log ( 5 )
=> 4
Hope it Helps
:)
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