if log4 base40=X and log5 base 40=Y ,then express log32 base 40 in terms of X and Y
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the answer given in my book is 5(1-x-y)
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Step-by-step explanation:
Log 32 base 40 = 5 log 2 base 40
= 5 log ( 40/20)base 40
= 5(log 40base 40 - log 5base 40 - log 4 base 40)
= 5(1-y-x)
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