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प्रश्न
Express in terms of log 2 and log 3 : log 4.5
उत्तर
log 4.5
= log`45/10`
= log`[ 5 xx 3 xx 3 ]/[ 5 xx 2 ]`
= log`[ 3^2]/[2 ]`
= log 32 - log 2 .....[ loga`m/n` = logam - logan ]
= 2log3 - log 2 ......[ logamn = nlogam ]
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