jika 2log 3 = p dan 2 log 5 = Q maka 2 log 45 =
Matematika
putrishajh
Pertanyaan
jika 2log 3 = p dan 2 log 5 = Q maka 2 log 45 =
1 Jawaban
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1. Jawaban Murva
Logaritma
Kls X sma
Sifat
'alogb + 'alogc = 'alog (b×c)
'2log 3 = p
'2 log 5 = Q
'2log 45 = '2log (9×5)
'2log (9×5)
= '2log 9+ '2log 5
= '2log 3²+ '2log 5
= 2× '2log 3+ '2log 5
= 2p +q