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= 2 x 3 log 4 + 3 log 5 +3 log 3
=2p+q+1
3 log 4 = p
3 log 5 = q
Ditanya :
3 log 240 = ????
Penyelesaian :
3 log 240 = 3 log (4².5.3)
= 3 log 4² + 3 log 5 + 3 log 3
= 2.3 log 4 + 3 log 5 + 3 log 3
= 2.p + q + 1