simplify: log 25 base 3 × log 27 base 5.
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Step-by-step explanation:
Use change of base for 2nd term: logb(x)=loga(x)/loga(b)
log3(25)×log5(27)
=log3(25)×log3(27)/log3(5)
=log3(25)×log3(3^3)/log3(1^5)
=log3(5)×3/5log3(1)
=3/5
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